CN214189779U - Transmission mechanism with left eccentric wheel and right eccentric wheel switching - Google Patents

Transmission mechanism with left eccentric wheel and right eccentric wheel switching Download PDF

Info

Publication number
CN214189779U
CN214189779U CN202023190396.0U CN202023190396U CN214189779U CN 214189779 U CN214189779 U CN 214189779U CN 202023190396 U CN202023190396 U CN 202023190396U CN 214189779 U CN214189779 U CN 214189779U
Authority
CN
China
Prior art keywords
transmission
transmission mechanism
slide block
eccentric
traction cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202023190396.0U
Other languages
Chinese (zh)
Inventor
李永林
张小辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taicang Xinqile Baby's Supplies Co ltd
Original Assignee
Taicang Xinqile Baby's Supplies Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taicang Xinqile Baby's Supplies Co ltd filed Critical Taicang Xinqile Baby's Supplies Co ltd
Priority to CN202023190396.0U priority Critical patent/CN214189779U/en
Application granted granted Critical
Publication of CN214189779U publication Critical patent/CN214189779U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

The utility model discloses a drive mechanism with control eccentric wheel switches, including two drive mechanism, every drive mechanism all includes the drive mechanism shell, transmission slider spring, transmission slider and traction cable, two drive mechanism shells are established respectively in the left and right sides of shallow frame, the transmission slider passes through the transmission slider spring and establishes in the drive mechanism shell, the one end and the transmission slider of traction cable are connected, the other end is arranged in with around two directional and the brake state locking mechanical transmission of wheel and is connected, two synchronous rotations of eccentric part are nevertheless different in structure, rotate when two eccentric parts and impel two transmission slider to stretch out and draw back in turn, and then make two traction cable do in turn and pull or release the action. The utility model is suitable for a baby's shallow of two-way promotion can help it to realize along with the push rod subassembly switching-over, and makes two directional and the automatic function of working in turn of brake locking mechanical system of fore-and-aft direction, optimizes baby's shallow's design, simplifies user's operating procedure.

Description

Transmission mechanism with left eccentric wheel and right eccentric wheel switching
Technical Field
The utility model belongs to the baby's shallow field, concretely relates to drive mechanism with control eccentric wheel and switch.
Background
Nowadays, baby strollers that can be pushed in two directions are common in the market, and a user can select whether a baby faces the advancing direction or the user himself or herself when pushing. In order to meet the requirements of bidirectional straight line pushing, turning pushing and temporary parking, the conventional bidirectional pushing baby stroller is generally provided with wheel orientation and brake locking functions. However, most of the existing bidirectional pushing baby strollers have the following problems:
1. the orientation mechanisms on the front side and the rear side can not automatically switch the state after the push rod is reversed, so that when the push rod is reversed, the wheels on the front side in the pushing direction must be manually released from orientation, and the wheels on the front side in the pushing direction must be directionally locked.
2. The brake locking mechanisms on the front side and the rear side can not automatically release the brake locking state of the wheels on the front side in the pushing direction according to the reversing of the push rod, so that after the push rod is reversed, a user often forgets to release the brake locking state of the wheels on the front side in the pushing direction in advance, and the baby stroller cannot be pushed.
3. The orientation mechanisms and the brake locking mechanisms on the front side and the rear side do not have a linkage function, and the front wheel and the rear wheel cannot be alternately locked and unlocked, so that when the bicycle needs to be pushed forwards, the orientation and the brake of the front wheel must be released, then the orientation and the brake of the rear wheel are locked, and the operation complexity is further increased.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a drive mechanism with control eccentric wheel switches to solve the orientation that current two-way push away baby's shallow exists and brake locking switching complex operation, can not two-way linkage scheduling problem.
For solving the technical problem, realize above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a transmission mechanism with left and right eccentric wheel switching comprises a first transmission mechanism and a second transmission mechanism which are arranged oppositely left and right, wherein the first transmission mechanism and the second transmission mechanism respectively control the switching of a wheel orientation and brake state locking mechanism in the front and back directions of a cart correspondingly, and the first transmission mechanism and the second transmission mechanism work alternately all the time;
the first transmission mechanism comprises a first transmission mechanism shell, a first transmission slide block spring, a first transmission slide block, a first eccentric part and a first traction cable, the first transmission mechanism shell is arranged on the left side or the right side of the trolley frame, the first transmission slide block is telescopically arranged in the first transmission mechanism shell through the first transmission slide block spring, the first eccentric part is positioned outside the first transmission mechanism shell and is in contact with the extending end of the first transmission slide block, and the contact position of the first eccentric part and the first transmission slide block is adjusted through the rotation of the first eccentric part; one end of the first traction cable extends into the first transmission mechanism shell and then is connected with the first transmission sliding block, and the other end of the first traction cable is in transmission connection with the wheel orientation and brake state locking mechanism in front of or behind the first traction cable;
the second transmission mechanism comprises a second transmission mechanism shell, a second transmission slide block spring, a second transmission slide block, a second eccentric part and a second traction cable, the second transmission mechanism shell is arranged on the right side or the left side of the cart frame, the second transmission slide block is telescopically arranged in the second transmission mechanism shell through the second transmission slide block spring, the second eccentric part is positioned outside the second transmission mechanism shell and is in contact with the extending end of the second transmission slide block, and the contact position of the second eccentric part and the second transmission slide block is adjusted through the rotation of the second eccentric part; one end of the second traction cable extends into the second transmission mechanism shell and then is connected with the second transmission sliding block, and the other end of the second traction cable is in transmission connection with the rear or front wheel orientation and brake state locking mechanism;
the first eccentric part and the second eccentric part synchronously rotate through a reversing mechanism, when the reversing mechanism is switched to the rear or the front, a protruding part on the first eccentric part is in contact with an extending end of the first transmission slide block, the extending end of the first transmission slide block is pressed into the first transmission mechanism shell, a first transmission slide block spring is in a pressing state, the first traction rope is in a traction state, meanwhile, a circular sliding part on the second eccentric part is in contact with the extending end of the second transmission slide block, the second transmission slide block spring is in a loose state, the extending end of the second transmission slide block is pushed out of the second transmission mechanism shell, and the second traction rope is in a release state; when the reversing mechanism is switched to the front or the rear, the circular sliding part on the first eccentric part is in contact with the extending end of the first transmission slide block, the first transmission slide block spring is in a loose state, the extending end of the first transmission slide block is pushed out of the first transmission mechanism shell, the first traction rope is in a release state, meanwhile, the protruding part on the second eccentric part is in contact with the extending end of the second transmission slide block, the extending end of the second transmission slide block is pressed into the second transmission mechanism shell, the second transmission slide block spring is in a pressing state, and the second traction rope is in a traction state;
the first transmission slide block and the second transmission slide block realize alternate extension and retraction through simultaneous rotation of the first eccentric part and the second eccentric part, so that the first traction cable and the second traction cable are controlled to alternately do traction or release actions, and the first traction cable and the second traction cable control the front and rear wheel orientation and brake state locking mechanisms to alternately switch states through alternate traction or release.
Furthermore, the first transmission mechanism shell and the second transmission mechanism shell are respectively arranged at one of the left side hinged position or the right side hinged position of the cart push rod component and the cart frame component, and the first transmission mechanism shell and the second transmission mechanism shell are fixed in position relative to the cart push rod component.
Furthermore, the reversing mechanism is a cart push rod assembly, and the cart push rod assembly has a reversing function relative to the cart frame assembly.
Furthermore, the first eccentric part and the second eccentric part are respectively arranged at the bottom ends of the cart push rod assemblies at the left side and the right side and respectively rotate along with the cart push rod assemblies at the left side and the right side.
Furthermore, the first transmission mechanism shell is arranged at the left side hinged part of the cart push rod assembly and the cart frame assembly, and the second transmission mechanism shell is arranged at the right side hinged part of the cart push rod assembly and the cart frame assembly.
Furthermore, the first traction cable is in transmission connection with the front wheel orientation and braking state locking mechanism, and the second traction cable is in transmission connection with the rear wheel orientation and braking state locking mechanism.
Further, the convex part of the first eccentric member and the convex part of the second eccentric member respectively protrude from the smooth outer peripheries of the respective bodies, and the convex part of the first eccentric member is located at the lower part of the front side of the body thereof, and the convex part of the second eccentric member is located at the upper part of the rear side of the body thereof.
Furthermore, a first contact column and a second contact column which are convenient for the first eccentric part and the second eccentric part to push are respectively arranged on the end surfaces of the extending end of the first transmission sliding block and the extending end of the second transmission sliding block.
The utility model has the advantages that:
the utility model discloses rotate when can realizing two eccentric parts and make two transmission slider stretch out and draw back in turn, and then make two traction cables do in turn and pull or the function of release action, consequently the utility model discloses the baby's shallow of two-way implementation can help it to realize along with the push rod subassembly switching-over, and make two directional and the automatic function of working in turn of brake locking mechanical system of fore-and-aft direction, optimized the design of baby's shallow, simplified user's operating procedure, very humanized, let the consumer use more convenient, in the same direction as one's mind.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a schematic view showing the connection relationship between the left and right transmission mechanisms and the front and rear wheel orientation and brake locking mechanisms of the present invention;
FIG. 2 is a schematic view of the installation positions of the present invention on both sides of the stroller;
fig. 3 is a schematic structural diagram of the first transmission mechanism when the push rod assembly is switched to the rear direction according to the present invention;
fig. 4 is a schematic structural diagram of the first transmission mechanism when the push rod assembly is switched to the front;
fig. 5 is a schematic structural diagram of the second transmission mechanism when the push rod assembly is switched to the rear direction according to the present invention;
fig. 6 is a schematic structural diagram of the second transmission mechanism when the push rod assembly is switched to the front side according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. The description as set forth herein is intended to provide a further understanding of the invention and forms a part of this application and the exemplary embodiments and descriptions thereof are presented for purposes of illustration and description and are not intended to limit the invention in any way.
Referring to fig. 1-2, a transmission mechanism with left and right eccentric wheel switching comprises a first transmission mechanism 37a and a second transmission mechanism 37b which are arranged oppositely left and right, wherein the first transmission mechanism 37a and the second transmission mechanism 37b respectively control the switching of one wheel orientation and brake state locking mechanism in the front and back direction of the cart correspondingly, and the first transmission mechanism 37a and the second transmission mechanism 37b always work alternately;
referring to fig. 3 to 4, the first transmission mechanism 37a includes a first transmission mechanism housing 38a, a first transmission slider spring 39a, a first transmission slider 40a, a first eccentric member 41a and a first traction cable 42a, the first transmission mechanism housing 38a is disposed at the left or right side of the cart frame, the first transmission slider 40a is telescopically disposed inside the first transmission mechanism housing 38a by the first transmission slider spring 39a, the first eccentric member 41a is disposed outside the first transmission mechanism housing 38a and contacts with the protruding end of the first transmission slider 40a, and the first eccentric member 41a adjusts the contact position with the first transmission slider 40a by its own rotation; one end of the first traction cable 42a extends into the first transmission mechanism housing 38a and then is connected with the first transmission slide block 40a, and the other end of the first traction cable 42a is in transmission connection with the front or rear wheel orientation and brake state locking mechanism;
as shown in fig. 4 to 6, the second transmission mechanism 37b includes a second transmission mechanism housing 38b, a second transmission slider spring 39b, a second transmission slider 40b, a second eccentric member 41b and a second traction cable 42b, the second transmission mechanism housing 38b is disposed on the right side or the left side of the cart frame, the second transmission slider 40b is telescopically disposed inside the second transmission mechanism housing 38b through the second transmission slider spring 39b, the second eccentric member 41b is disposed outside the second transmission mechanism housing 38b and contacts with the extending end of the second transmission slider 40b, and the second eccentric member 41b adjusts the contact position with the second transmission slider 40b through its own rotation; one end of the second traction cable 42b extends into the second transmission mechanism shell 38b and then is connected with the second transmission slide block 40b, and the other end of the second traction cable 42b is in transmission connection with the rear or front wheel orientation and brake state locking mechanism;
the first eccentric element 41a and the second eccentric element 41b rotate synchronously through a reversing mechanism, when the reversing mechanism is switched to the rear or the front, the protruding part on the first eccentric element 41a contacts with the protruding end of the first transmission slide block 40a and presses the protruding end of the first transmission slide block 40a into the first transmission mechanism housing 38a, the first transmission slide block spring 39a is in a pressing state, the first traction cable 42a is in a traction state, meanwhile, the round sliding part on the second eccentric element 41b contacts with the protruding end of the second transmission slide block 40b, the second transmission slide block spring 39b is in a loose state, the protruding end of the second transmission slide block 40b is pushed out of the second transmission mechanism housing 38b, and the second traction cable 42b is in a releasing state; when the reversing mechanism is switched to the front or the rear, the smooth part on the first eccentric part 41a is in contact with the extending end of the first transmission slide 40a, the first transmission slide spring 39a is in a relaxed state, the extending end of the first transmission slide 40a is pushed out of the first transmission mechanism housing 38a, the first traction cable 42a is in a released state, meanwhile, the protruding part on the second eccentric part 41b is in contact with the extending end of the second transmission slide 40b, the extending end of the second transmission slide 40b is pressed into the second transmission mechanism housing 38b, the second transmission slide spring 39b is in a compressed state, and the second traction cable 42b is in a traction state;
the first transmission sliding block 40a and the second transmission sliding block 40b are alternately extended and retracted through the simultaneous rotation of the first eccentric part 41a and the second eccentric part 41b, so that the first traction cable 42a and the second traction cable 42b are controlled to alternately perform traction or release actions, and the first traction cable 42a and the second traction cable 42b are controlled to alternately switch states through alternately traction or release of two front and rear wheel orientation and brake state locking mechanisms.
Further, the first transmission mechanism housing 38a and the second transmission mechanism housing 38b are respectively disposed at one of a left side hinge joint or a right side hinge joint of the stroller push rod assembly 2 and the stroller frame assembly 1, and both the first transmission mechanism housing 38a and the second transmission mechanism housing 38b are fixed in position relative to the stroller push rod assembly 2.
Further, the reversing mechanism is a cart push rod assembly 2, and the cart push rod assembly 2 has a reversing function relative to the cart frame assembly 1.
Further, the first eccentric member 41a and the second eccentric member are respectively disposed at the bottom ends of the left and right cart push rod assemblies 2, and respectively rotate together with the left and right cart push rod assemblies 2.
Further, the first transmission mechanism housing 38a is disposed at the left side of the cart push rod assembly 2 hinged to the cart frame assembly 1, and the second transmission mechanism housing 38b is disposed at the right side of the cart push rod assembly 2 hinged to the cart frame assembly 1.
Further, the first traction cable 42a is in transmission connection with the front wheel orientation and braking state locking mechanism, and the second traction cable 42b is in transmission connection with the rear wheel orientation and braking state locking mechanism.
Further, the convex portion of the first eccentric member 41a and the convex portion of the second eccentric member 41b respectively protrude from the smooth outer periphery of the respective bodies, and the convex portion of the first eccentric member 41a is located at the lower front side of the body thereof, and the convex portion of the second eccentric member 41b is located at the upper rear side of the body thereof.
Further, a first contact column 56a and a second contact column 56b, which are convenient for the first eccentric piece 41a and the second eccentric piece 41b to push, are respectively arranged on the end surfaces of the extending end of the first transmission sliding block 40a and the extending end of the second transmission sliding block 40 b.
The working principle of the present invention will be described in detail below by using the first transmission mechanism 37a installed at the left side hinge of the push rod assembly 2 and the frame assembly 1, the second transmission mechanism 37b installed at the right side hinge of the push rod assembly 2 and the frame assembly 1, and the first transmission mechanism 37a and the second transmission mechanism 37b respectively controlling the orientation and brake locking of the front wheel and the rear wheel. Also for convenience of description, the opening direction of the baby seat or the baby carriage hopper of the baby carriage is defined as the front of the baby carriage.
When the push rod component 2 is reversed from the front to the rear, the baby faces the pushing direction. As the push rod assembly 2 rotates, the protrusion on the first eccentric member 41a contacts the protruding end of the first transmission slider 40a and presses the first transmission slider 40a into the first transmission housing 38a, such that the first transmission slider spring 39a is compressed, and at the same time the first transmission slider 40a pulls the first traction cable 42a inward, such that the first traction cable 42a is in traction and triggers the failure of the front wheel alignment and brake locking mechanism. Meanwhile, as the push rod assembly 2 rotates from the front to the rear, the sliding portion of the second eccentric member 41b contacts the protruding end of the second transmission slider 40b, and the protruding end of the second transmission slider 40b is pushed out of the second transmission mechanism housing 38b by the elastic force of the second transmission slider spring 39 b. Meanwhile, the second transmission slide block 40b does not apply tension to the second traction cable 42b, so that the second traction cable 42b is in a release state to trigger the operation of the rear wheel orientation and brake locking mechanism.
When the push rod component 2 is reversed from the rear to the front, the baby faces back to the pushing direction. As the push rod assembly 2 rotates, the sliding part of the first eccentric part 41a contacts with the protruding end of the first transmission slider 40a, the protruding end of the first transmission slider 40a is pushed out of the first transmission mechanism housing 38a under the elastic force of the first transmission slider spring 39a, and meanwhile, the first transmission slider 40a does not apply a pulling force to the first traction cable 42a, so that the first traction cable 42a is in a release state and the operation of the rear wheel orientation and brake locking mechanism is triggered. At the same time, as the push rod assembly 2 rotates from the front to the rear, the protrusion of the second eccentric member 41b contacts the protruding end of the second transmission slider 40b, and presses the second transmission slider 40b into the second transmission mechanism housing 38b, so that the second transmission slider spring 39b is compressed. At the same time, the second transmission slide block 40b pulls the second traction cable 42b inwards, so that the second traction cable 42b is in a traction state, and the failure of the front wheel orientation and brake locking mechanism is triggered.
To sum up, the utility model discloses the technological effect that can realize does: when the first eccentric part and the second eccentric part rotate to one direction at the same time, the first eccentric part can trigger a first traction rope on the first transmission mechanism to do traction action, and the second eccentric part can trigger a second traction rope on the second transmission mechanism to do release action; on the contrary, when the first eccentric member and the second eccentric member rotate to opposite directions simultaneously, the first eccentric member can trigger the first traction rope on the first transmission mechanism to perform releasing action, and the second eccentric member can trigger the second traction rope on the second transmission mechanism to perform traction action. Therefore, the alternative work of the two transmission mechanisms is realized, and the baby stroller can be suitable for the alternative orientation and brake locking of the front wheel and the rear wheel of the baby stroller.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a drive mechanism with control eccentric wheel switches which characterized in that: the automatic control device comprises a first transmission mechanism (37a) and a second transmission mechanism (37b) which are opposite to each other, wherein the first transmission mechanism (37a) and the second transmission mechanism (37b) respectively correspond to the control of the switching of one wheel orientation and brake state locking mechanism in the front and back directions of the cart, and the first transmission mechanism (37a) and the second transmission mechanism (37b) work alternately all the time;
the first transmission mechanism (37a) comprises a first transmission mechanism shell (38a), a first transmission slide block spring (39a), a first transmission slide block (40a), a first eccentric piece (41a) and a first traction cable (42a), the first transmission mechanism shell (38a) is arranged on the left side or the right side of the trolley frame, the first transmission slide block (40a) is telescopically arranged in the first transmission mechanism shell (38a) through the first transmission slide block spring (39a), the first eccentric piece (41a) is positioned outside the first transmission mechanism shell (38a) and is in contact with the extending end of the first transmission slide block (40a), and the contact position of the first eccentric piece (41a) and the first transmission slide block (40a) is adjusted through the rotation of the first eccentric piece (41 a); one end of the first traction cable (42a) extends into the first transmission mechanism shell (38a) and then is connected with the first transmission slide block (40a), and the other end of the first traction cable (42a) is in transmission connection with the front or rear wheel orientation and brake state locking mechanism;
the second transmission mechanism (37b) comprises a second transmission mechanism shell (38b), a second transmission slide block spring (39b), a second transmission slide block (40b), a second eccentric piece (41b) and a second traction cable (42b), the second transmission mechanism shell (38b) is arranged on the right side or the left side of the trolley frame, the second transmission slide block (40b) is telescopically arranged in the second transmission mechanism shell (38b) through the second transmission slide block spring (39b), the second eccentric piece (41b) is positioned outside the second transmission mechanism shell (38b) and is in contact with the extending end of the second transmission slide block (40b), and the contact position of the second eccentric piece (41b) and the second transmission slide block (40b) is adjusted through the rotation of the second eccentric piece (41 b); one end of the second traction cable (42b) extends into the second transmission mechanism shell (38b) and then is connected with the second transmission slide block (40b), and the other end of the second traction cable (42b) is in transmission connection with the rear or front wheel orientation and brake state locking mechanism;
the first eccentric part (41a) and the second eccentric part (41b) rotate synchronously through a reversing mechanism, when the reversing mechanism is switched to the rear or the front, a convex part on the first eccentric part (41a) is contacted with an extending end of the first transmission slide block (40a) and presses the extending end of the first transmission slide block (40a) into the first transmission mechanism shell (38a), the first transmission slide block spring (39a) is in a pressing state, the first traction cable (42a) is in a traction state, meanwhile, a circular sliding part on the second eccentric part (41b) is contacted with the extending end of the second transmission slide block (40b), the second transmission slide block spring (39b) is in a loosening state, the extending end of the second transmission slide block (40b) is pushed out of the second transmission mechanism shell (38b), the second traction cable (42b) is in a released state; when the reversing mechanism is switched to the front or the rear, a smooth part on the first eccentric part (41a) is in contact with an extending end of the first transmission slide block (40a), the first transmission slide block spring (39a) is in a loose state, the extending end of the first transmission slide block (40a) is pushed out of the first transmission mechanism shell (38a), the first traction rope (42a) is in a release state, meanwhile, a protruding part on the second eccentric part (41b) is in contact with the extending end of the second transmission slide block (40b) and presses the extending end of the second transmission slide block (40b) into the second transmission mechanism shell (38b), the second transmission slide block spring (39b) is in a compression state, and the second traction rope (42b) is in a traction state;
the first transmission sliding block (40a) and the second transmission sliding block (40b) realize alternate extension and retraction through simultaneous rotation of the first eccentric part (41a) and the second eccentric part (41b), so that the first traction cable (42a) and the second traction cable (42b) are controlled to alternately do traction or release actions, and the first traction cable (42a) and the second traction cable (42b) control the front and the rear wheel orientation and brake state locking mechanisms to alternately switch states through alternate traction or release.
2. The transmission mechanism with left-right eccentric wheel switching according to claim 1, wherein: the first transmission mechanism shell (38a) and the second transmission mechanism shell (38b) are respectively arranged at one of the left side hinged part or the right side hinged part of the cart push rod assembly (2) and the cart frame assembly (1), and the first transmission mechanism shell (38a) and the second transmission mechanism shell (38b) are fixed in position relative to the cart push rod assembly (2).
3. The transmission mechanism with left-right eccentric wheel switching according to claim 2, wherein: the reversing mechanism is a cart push rod assembly (2), and the cart push rod assembly (2) has a reversing function relative to the cart frame assembly (1).
4. The transmission mechanism with left-right eccentric wheel switching according to claim 3, wherein: the first eccentric part (41a) and the second eccentric part are respectively arranged at the bottom ends of the cart push rod assemblies (2) at the left side and the right side and respectively rotate together with the cart push rod assemblies (2) at the left side and the right side.
5. The transmission mechanism with left-right eccentric wheel switching according to claim 2, wherein: the first transmission mechanism shell (38a) is arranged at the left side hinge joint of the cart push rod assembly (2) and the cart frame assembly (1), and the second transmission mechanism shell (38b) is arranged at the right side hinge joint of the cart push rod assembly (2) and the cart frame assembly (1).
6. The transmission mechanism with left-right eccentric wheel switching according to claim 5, wherein: the first traction cable (42a) is in transmission connection with the front wheel orientation and braking state locking mechanism, and the second traction cable (42b) is in transmission connection with the rear wheel orientation and braking state locking mechanism.
7. The transmission mechanism with left-right eccentric wheel switching according to claim 6, wherein: the convex part of the first eccentric member (41a) and the convex part of the second eccentric member (41b) respectively protrude from the smooth outer periphery of the respective bodies, and the convex part of the first eccentric member (41a) is positioned at the lower front side of the body thereof, and the convex part of the second eccentric member (41b) is positioned at the upper rear side of the body thereof.
8. The transmission mechanism with left-right eccentric wheel switching according to claim 1, wherein: and a first contact column (56a) and a second contact column (56b) which are convenient for the first eccentric part (41a) and the second eccentric part (41b) to push are respectively arranged on the end surfaces of the extending end of the first transmission sliding block (40a) and the extending end of the second transmission sliding block (40 b).
CN202023190396.0U 2020-12-26 2020-12-26 Transmission mechanism with left eccentric wheel and right eccentric wheel switching Active CN214189779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023190396.0U CN214189779U (en) 2020-12-26 2020-12-26 Transmission mechanism with left eccentric wheel and right eccentric wheel switching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023190396.0U CN214189779U (en) 2020-12-26 2020-12-26 Transmission mechanism with left eccentric wheel and right eccentric wheel switching

Publications (1)

Publication Number Publication Date
CN214189779U true CN214189779U (en) 2021-09-14

Family

ID=77657089

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023190396.0U Active CN214189779U (en) 2020-12-26 2020-12-26 Transmission mechanism with left eccentric wheel and right eccentric wheel switching

Country Status (1)

Country Link
CN (1) CN214189779U (en)

Similar Documents

Publication Publication Date Title
US7273225B2 (en) Reversible baby stroller with brake structure
CN103110481B (en) A kind of patient transfer bed and base apparatus thereof
TW201441084A (en) Orienting mechanism of wheel and vehicle having the same
KR101658802B1 (en) Foldable loading instrument and electric device with thereof
CN214189779U (en) Transmission mechanism with left eccentric wheel and right eccentric wheel switching
CN107485141B (en) Case and bag
CN210416705U (en) Brake equipment and children's shallow
CN210191565U (en) Folding bicycle
CN201086733Y (en) Folding device of collapsible perambulator
CN113276924B (en) Pedal brake structure, pedal double-brake device and application
CN215322815U (en) Children's barrow
CN214565593U (en) Front and back linkage brake mechanism
CN206012674U (en) Easy mounted-dismounted type perambulator
CN212332760U (en) Brake structure of baby carriage
KR20160145281A (en) Stroller with optional pivot wheels
CN215153663U (en) Wheel orientation structure operated by one hand and child carrier
CN110126904B (en) Brake device and children's shallow
CN214565590U (en) Baby stroller capable of automatically switching wheel orientation and brake locking states after reversing
CN211107647U (en) Baby carriage with 360-degree rotatable seat
CN108945075B (en) Child cart
CN214565592U (en) Wheel orientation and brake locking mechanism driven by connecting rod push rod
JP3218610U (en) Stroller that controls the steering function of the front and rear wheels by the direction switching handle
CN220701180U (en) Frame and baby carrier comprising same
CN112550421A (en) Baby stroller capable of automatically switching wheel orientation and brake locking states after reversing
CN213705548U (en) Four-wheel universal trolley

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant