CN217115819U

CN217115819U - Pull type hydraulic motor

Info

Publication number: CN217115819U
Application number: CN202220685090.2U
Authority: CN
Inventors: 何亮; 马彬焱
Original assignee: Hubei Hongshengchang Electronic Co ltd
Current assignee: Hubei Hongshengchang Electronic Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-02
Anticipated expiration: 2032-03-25

Abstract

The utility model relates to a draw type hydraulic motor, including shell, pull rod, motor core and reset spring, the shell has a holding chamber and communicates the draw bar hole, first locating hole and the second locating hole that holds the chamber, first locating hole is just to the second locating hole, the pull rod runs through the draw bar hole and arranges, form the third locating hole on the pull rod, place in holding the intracavity in the motor and its power take off end and pull rod butt are provided for driving the pull rod to move towards holding the intracavity, reset spring both ends respectively with the pull rod and hold the intracavity wall butt, provide for driving the pull rod to move towards holding the intracavity outward; the pull rod is provided with a positioning position in the movement process, and when the pull rod is positioned at the positioning position, two ends of the third positioning hole are respectively over against the first positioning hole and the second positioning hole. The utility model provides a draw type hydraulic motor can be fixed in the locating position with the pull rod with the locating rod to make the spring keep compression state, thereby reduce the installation degree of difficulty, accelerate the installation rate.

Description

Pull type hydraulic motor

Technical Field

The utility model relates to the technical field of motors, especially, relate to a draw type hydraulic motor.

Background

The motor is a transliteration of an english motor, namely, a motor and an engine, and is a commonly used power mechanism in the industry.

The motor generally comprises a shell and functional components, wherein the shell has the functions of containing and protecting, most of the functional components are arranged in the shell, and a power output end extends out of the shell and is used for outputting power such as pushing, pulling, rotating and the like to the outside.

When the internal functional components of the existing motor are assembled, the spring needs to be kept in a compressed state for installation, so that the difficulty of the installation process is increased, and the installation speed is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a pull-type hydraulic motor to solve the technical problems of the prior art that the spring needs to be continuously compressed when the motor is installed, the installation difficulty is increased, and the installation speed is reduced.

The utility model provides a draw type hydraulic motor, this draw type hydraulic motor includes: the motor comprises a shell, a pull rod, a motor core and a reset spring, wherein the shell is provided with a containing cavity, a pull rod hole, a first positioning hole and a second positioning hole, the pull rod hole, the first positioning hole and the second positioning hole are communicated with the containing cavity, the first positioning hole is over against the second positioning hole, the pull rod penetrates through the pull rod hole and is arranged, a third positioning hole is formed in the pull rod, the motor is arranged in the containing cavity, the power output end of the motor is abutted against the pull rod to drive the pull rod to move towards the containing cavity, and two ends of the reset spring are respectively abutted against the pull rod and the inner wall of the containing cavity to drive the pull rod to move towards the outside of the containing cavity; the pull rod is provided with a positioning position in the movement process, and when the pull rod is positioned at the positioning position, two ends of the third positioning hole are respectively over against the first positioning hole and the second positioning hole.

Further, the pull rod comprises a main body part, a mounting cavity is formed in the main body part, the motor core is arranged in the mounting cavity, and the power output end of the motor core is abutted to the inner wall of the mounting cavity.

Further, the pull rod further comprises a pulling part fixedly connected with the main body part, the pulling part is arranged outside the accommodating cavity, and the surface of the pulling part is provided with a circle of connecting groove along the circumferential direction of the surface of the pulling part.

Furthermore, the third positioning hole is arranged at one end of the main body part far away from the pulling part.

Further, an arc-shaped groove is formed on the main body part and is used for being matched and abutted with the return spring.

Further, the shell includes two half shells and coupling mechanism, and coupling mechanism is including dismantling the first connecting piece and the second connecting piece of connection, and first connecting piece and second connecting piece correspond respectively in two half shells, and two half shells accessible first connecting piece and second connecting piece can be dismantled and be connected.

Furthermore, the half shells are of a symmetrical structure and are provided with a symmetrical plane, the first connecting piece and the second connecting piece are symmetrically arranged on the half shells relative to the symmetrical plane, and the first connecting piece on any one half shell is detachably connected with the second connecting piece on the other half shell, so that the two half shells are oppositely connected to form the shell.

Furthermore, the first connecting piece is an inserting column with one end fixedly connected with the half shell, the second connecting piece is an inserting hole formed in the half shell, and the inserting column is matched and inserted with the inserting column.

Furthermore, first connecting piece is one end and half shell fixed connection's buckle, and the second connecting piece is the snap ring that is formed on half shell, buckle and snap ring cooperation joint.

Furthermore, the motor also comprises a pin, one end of the pin is electrically connected with the motor core, and the other end of the pin penetrates through the shell and extends out of the accommodating cavity.

Compared with the prior art, the pull-type hydraulic motor is provided with the first positioning hole and the second positioning hole which are opposite, when the pull rod is moved to the positioning position, two ends of the third positioning hole in the pull rod are opposite to the first positioning hole and the second positioning hole respectively, at the moment, one positioning rod penetrates through the first positioning hole, the second positioning hole and the third positioning hole, the pull rod can be fixed at the positioning position, the spring is kept in a compressed state, the installation difficulty is reduced, and the installation speed is accelerated.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, and to implement the technical means according to the content of the description, the preferred embodiments of the present invention are described in detail below with reference to the 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 structural diagram of a pull-type hydraulic motor provided by the present invention;

fig. 2 is a schematic view of an internal structure of the pull-type hydraulic motor provided by the present invention;

FIG. 3 is a schematic view of the half shell and the connection mechanism of FIG. 2;

fig. 4 is a side view of the drawbar of fig. 2.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

Referring to fig. 1 and 2, the present pull type hydraulic motor includes a housing 1, a pull rod 2, a motor core 3, and a return spring 4.

Wherein the housing 1 is internally provided with a containing cavity, the surface of the containing cavity is provided with a pull rod hole, a first positioning hole and a second positioning hole which are communicated with the containing cavity, and the first positioning hole is opposite to the second positioning hole. The pull rod 2 penetrates through the pull rod hole, and a third positioning hole 21 is formed in the pull rod 2. The motor core 3 is arranged in the accommodating cavity, the power output end of the motor core is abutted to the pull rod 2, the pull rod 2 is driven to move towards the accommodating cavity, and therefore pulling force is output outwards through the pull rod 2. Two ends of the return spring 4 are respectively abutted against the pull rod 2 and the inner wall of the accommodating cavity so as to drive the pull rod 2 to move towards the outside of the accommodating cavity. When the motor core 3 stops outputting power to the tie rod 2, the return spring 4 serves to push the tie rod 2 back to the initial position.

The motor core 3 and the return spring 4 provide driving forces in opposite directions to the pull rod 2 to drive the pull rod 2 to reciprocate. The pull rod 2 has a positioning position in the movement process, and when the pull rod 2 is positioned at the positioning position, two ends of the third positioning hole 21 are respectively opposite to the first positioning hole and the second positioning hole. At this time, a positioning rod can pass through the first positioning hole, the second positioning hole and the third positioning hole, the pull rod 2 is fixed at the positioning position, and the reset spring 4 is kept in a compressed state, so that the difficulty of installation and disassembly is reduced.

Referring to fig. 2 and 3, the housing 1 serves to accommodate and protect, for easy assembly and disassembly, the housing 1 includes two half shells 11 and a connecting mechanism 12, the connecting mechanism 12 includes a first connecting member 121 and a second connecting member 122 that are detachably connected, the first connecting member 121 and the second connecting member 122 are respectively and correspondingly connected to the two half shells 11, and the two half shells 11 can be detachably connected through the first connecting member 121 and the second connecting member 122.

In the present embodiment, the half-shell 11 has a symmetrical structure and has a symmetrical plane. The first connector 121 and the second connector 122 are arranged symmetrically on the half-shells 11 with respect to a plane of symmetry, the first connector 121 on either half-shell 11 being removably connected to the second connector 122 on the other half-shell 11, so that the two half-shells 11 are connected with respect to each other to form the housing 1. Therefore, the two half shells 11 and the connecting mechanism 12 connected with the half shells are completely the same, the half shells 11 can be manufactured only by opening the die once during manufacturing, and then one half shell 11 is turned by 180 degrees and is installed opposite to the other half shell, so that the shell 1 can be assembled.

The half shells 11 are provided with a first half slot 111 and a second half slot 112 which are identical, and when the two half shells 11 are spliced to form the shell 1, the first half slot 111 on one half shell 11 and the second half slot 112 on the other half shell 11 form a first positioning hole; the second half-groove 112 of one half-shell 11 and the first half-groove 111 of the other half-shell 11 constitute a second positioning hole.

The first connecting member 121 and the second connecting member 122 may take various structural forms as long as the requirement of detachable connection is satisfied. In some embodiments, the first connector 121 is a plug fixedly connected to the half shell 11 at one end, and the second connector 122 is a socket formed on the half shell 11, and the plug is fittingly plugged into the plug. In other embodiments, the first connector 121 is a buckle having one end fixedly connected to the half shell 11, and the second connector 122 is a snap ring formed on the half shell 11, and the buckle is engaged with the snap ring.

In this embodiment, the first connector 121 and the second connector 122 preferably take the two connection forms described above, and are arranged around the edge of the half-shell 11, so as to connect the two half-shells 11 more firmly.

Referring to fig. 4, in the present embodiment, the pull rod 2 includes a main body portion 22, the main body portion 22 is a frame-shaped structure, an installation cavity is formed inside the main body portion, the motor core 3 is disposed inside the installation cavity, and the power output end of the motor core 3 abuts against the inner wall of the installation cavity. The power output direction is opposite to the direction of the pull rod hole, and the motor core 3 can push the pull rod 2 to move towards the accommodating cavity to form a pulling force.

Further, the pull rod 2 further comprises a pulling portion 23 fixedly connected with the main body portion 22, the pulling portion 23 is arranged outside the accommodating cavity, and a circle of connecting groove is formed in the surface of the pulling portion 23 along the circumferential direction of the surface. The connecting groove is used for being connected with an external structure and outputting pulling force to the external structure.

And in some embodiments, the third positioning hole 21 is opened at an end of the main body portion 22 away from the pulling portion 23. The main body 22 is also formed with an arcuate slot 24 for mating abutment with the return spring 4.

Referring to fig. 1 again, the motor core 3 is a power component of the motor, and converts electric energy into mechanical energy to do work externally. In some embodiments, a battery may be used to power the motor core 3. In another embodiment, the motor core 3 may also be powered by an external power source. As in the present embodiment, the present pull type hydraulic motor further includes a pin 5, one end of the pin 5 is electrically connected to the motor core 3, and the other end thereof extends through the housing 1 to the outside of the receiving cavity. The motor core 3 can be powered by inserting the pins 5 into the sockets.

The utility model provides a be provided with just right first locating hole and second locating hole on type hydraulic motor's the shell of drawing, when removing pull rod to the locating position, third locating hole both ends on the pull rod are just respectively to first locating hole and second locating hole, pass first locating hole, second locating hole and third locating hole with a location stick this moment, just can be fixed in the locating position with the pull rod to make the spring keep compression state, thereby reduce the installation degree of difficulty, accelerate the installation rate.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A pull-type hydraulic motor, comprising: the motor core is arranged in the accommodating cavity, the power output end of the motor core is abutted with the pull rod to drive the pull rod to move towards the accommodating cavity, and two ends of the reset spring are respectively abutted with the pull rod and the inner wall of the accommodating cavity to drive the pull rod to move towards the outside of the accommodating cavity; the pull rod is provided with a positioning position in the movement process, and when the pull rod is located at the positioning position, two ends of the third positioning hole are respectively opposite to the first positioning hole and the second positioning hole.

2. The pull-type hydraulic motor according to claim 1, wherein the pull rod comprises a main body part, a mounting cavity is formed inside the main body part, the motor core is arranged in the mounting cavity, and a power output end of the motor core is abutted against the inner wall of the mounting cavity.

3. The pull-type hydraulic motor according to claim 2, wherein the pull rod further comprises a pulling portion fixedly connected with the main body portion, the pulling portion is arranged outside the accommodating cavity, and a circle of connecting groove is formed in the surface of the pulling portion in the circumferential direction of the pulling portion.

4. The pull-type hydraulic motor according to claim 3, wherein the third positioning hole is provided at an end of the main body portion remote from the pull portion.

5. A pull-type hydraulic motor according to claim 3, wherein the main body portion further has an arcuate slot formed therein for mating abutment with the return spring.

6. A pull-type hydraulic motor according to claim 4, wherein the housing comprises two half-shells and a connecting mechanism, the connecting mechanism comprises a first connecting piece and a second connecting piece which are detachably connected, the first connecting piece and the second connecting piece are respectively and correspondingly connected to the two half-shells, and the two half-shells can be detachably connected through the first connecting piece and the second connecting piece.

7. A pull-type hydraulic motor according to claim 6 wherein the half shells are of symmetrical construction and have a plane of symmetry, the first and second connectors being symmetrically disposed on the half shells about the plane of symmetry, the first connector on either half shell being releasably connectable to the second connector on the other half shell so that the two half shells are connected relative to one another to form the housing.

8. A pull-type hydraulic motor according to claim 7 wherein the first connector is an insert post having one end fixedly connected to the half shell, and the second connector is an insert hole formed in the half shell, the insert post being fittingly inserted into the insert post.

9. A pull-type hydraulic motor as claimed in claim 7, wherein the first connector is a snap having one end fixedly connected to the half shell, and the second connector is a snap ring formed on the half shell, the snap ring being cooperatively snapped with the snap ring.

10. The pull-type hydraulic motor according to claim 1, further comprising a pin electrically connected to the motor core at one end and extending through the housing to outside the receiving cavity at the other end.