CN220734899U

CN220734899U - Pivoted lever mounting structure and back-chasing support

Info

Publication number: CN220734899U
Application number: CN202322561579.6U
Authority: CN
Inventors: 朱月新
Original assignee: Zhejiang Kemi Bear Technology Co ltd
Current assignee: Zhejiang Kemi Bear Technology Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-04-09
Anticipated expiration: 2033-09-20

Abstract

The utility model discloses a rotating rod hinge installation structure and a back-following support, wherein the rotating rod hinge installation structure comprises: the connecting seat, dwang and closing the lid, integrated into one piece has the pivot on the connecting seat, and the pivot is chosen empty to set up, and the one end of dwang correspond the pivot position concave have with pivot complex pivot groove, close and then correspond concave be equipped with pivot complex centre gripping groove, dwang and closing the lid and take with the pivot along the radial direction of pivot respectively and lean on, make the twist axle press from both sides between pivot groove and centre gripping groove, dwang and closing the lid and be connected fixed back dwang and realize being connected with the rotation of connecting seat through the pivot. The rotating shaft is integrally formed with the connecting seat, independent installation is not needed, the assembly complexity is reduced, the precision requirement on the diameter of the rotating shaft is reduced due to the matching of the rotating shaft groove and the clamping groove, and the installation of the rotating shaft is optimized.

Description

Pivoted lever mounting structure and back-chasing support

Technical Field

The utility model relates to the technical field of seats, in particular to a rotating rod hinge mounting structure and a back-following support.

Background

Hinge means connected by a hinge. Devices or parts for connecting two parts of machines, vehicles, doors and windows, appliances are commonly used, such as articulated trolleys, articulated trucks, articulated buses. Bearing connections, hinge connections, etc. are also common hinges. The door leaves and door frames which are common to people are connected together, so that the door leaves and the door frames cannot be separated, but the door leaves and the door frames can have conditional relative movement, the wide application of the hinge brings a lot of convenience to people, and when the hinge is used for the connecting rod, the hinged connecting rod can achieve flexible rotation and expansion functions while having certain strength.

In the furniture field, especially in the seat field, many mechanism parts adopt a connecting rod hinging mode, generally, a rotating shaft penetrates through a connecting rod to be rotatably connected with a part needing to be regulated or a through hole of another connecting rod so as to realize rotation connection, and the connecting rod can rotate around the rotating shaft, as in the child seat with a telescopic regulated backrest, which is shown in a patent 202220310129.2, the connection between the backrest and a supporting plate is composed of hinged connecting rods, and the position of the backrest plate can be flexibly regulated according to the sitting posture of a child, but in actual processing, the rotating shaft needs to penetrate through a weight reducing groove on the back of the backrest supporting plate and be hinged with a third connecting rod, and because the rotating shaft is obliquely operated in the groove, the operation brings much inconvenience; more importantly, the diameter matching of the rotating shaft and the through hole is difficult to control, when the rotating shaft is Kong Pianxiao, the rotating shaft is difficult to insert, and when the rotating shaft is Kong Pianda, a gap is reserved, and the whole connection becomes loose.

Therefore, what is needed is a hinge mounting structure for a rotating shaft, which optimizes the structure of the rotating shaft mounting without affecting the original telescopic rotating function, so that the rotating shaft mounting is not difficult to insert or loose and loose due to gaps, the structure is not too complex, and the manufacturing cost is controlled.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a rotating rod hinged installation structure, which optimizes the connection structure of a rotating shaft and a connecting rod by changing the arrangement mode of the rotating shaft, so that the rotating shaft is installed without being difficult to insert or loose and loose in the whole structure due to gaps, the assembly steps are simplified, and meanwhile, the cost is not greatly influenced.

Still further, the utility model also provides a back-following support with the rotating rod hinged mounting structure, and the mounting structure is applied to the back-following support, so that the back-following support is convenient and convenient to assemble.

The technical scheme of the utility model is realized as follows:

a swivelling lever hinge mounting structure, comprising:

the connecting seat, dwang and closing the lid, integrated into one piece has the pivot on the connecting seat, and the pivot is chosen empty to set up, and the one end of dwang correspond the pivot position concave have with pivot complex pivot groove, close and then correspond concave be equipped with pivot complex centre gripping groove, dwang and closing the lid and take with the pivot along the radial direction of pivot respectively and lean on, make the twist axle press from both sides between pivot groove and centre gripping groove, dwang and closing the lid and be connected fixed back dwang and realize being connected with the rotation of connecting seat through the pivot. The rotating shaft is integrally formed with the connecting seat, independent installation is not needed, the assembly complexity is reduced, the precision requirement on the diameter of the rotating shaft is reduced due to the matching of the rotating shaft groove and the clamping groove, and the installation of the rotating shaft is optimized.

Preferably, the connecting seat is provided with a mounting groove, the rotating shaft is integrally formed on the left groove wall and the right groove wall of the mounting groove, and at least one of the rotating rod or the closing cover is inserted into the mounting groove and then is abutted against the rotating shaft. Part of the rotating rod is positioned in the positioning groove, so that partial hiding is realized, and the space occupied by the whole structure is reduced.

Preferably, a pair of rotating shafts are symmetrically protruded on the left and right groove walls of the mounting groove. The rotating shafts which are symmetrically arranged are uniformly stressed after being connected, so that the risk of the integrally formed rotating shafts being stressed too hard to break is reduced.

Preferably, a connecting column with a threaded hole is protruded on the joint surface of the rotating rod and the joint cover, a connecting hole is formed in the joint cover corresponding to the connecting column, and the joint cover is fixedly connected with the rotating rod through a screw locked in the connecting hole. The connecting column is lengthened by the effective length of screw connection, so that the connection between the rotating rod and the closing cover is firmer.

Preferably, the two rotating shafts are bilaterally symmetrical, so that a space is reserved between the two rotating shafts, and the connecting column is positioned in the space. The rotating shaft is positioned at the tightest connecting position between the cover and the rotating rod, so that the rotating shaft is prevented from being forced to slip excessively.

Preferably, the cover is provided with a connecting groove corresponding to the connecting column, and the connecting column is inserted into the connecting groove. Firstly, the positioning effect is achieved, secondly, the space is saved, and the thickness of the rotating rod connected with the closing cover is not required to be increased.

Preferably, the surface of the rotating rod matched with the closing cover is concavely arranged to form an avoidance space, and the closing cover is positioned in the avoidance space. The thickness of the whole combined rotating rod and the combined cover is reduced, so that the whole mechanism is not excessively bloated, and the movement is smoother.

Preferably, the cross section of the combined rotating shaft groove and the clamping groove is a complete circle. So that the rotating shaft rotates more smoothly under the condition that the rotating shaft groove is clamped with the clamping groove.

Preferably, the cross section of the combined rotating shaft groove and the clamping groove is concentric with and has the same diameter as the cross section of the rotating shaft. The concentric centers and the same diameter can ensure that the connection is compact and can not loose and rotate well.

The utility model provides a support of chasing back, includes pole setting, setting seat, cooperation connecting rod and dwang articulated mounting structure, setting seat cup joint in the pole setting and keep relative fixed with the pole setting, cooperation connecting rod one end is connected with setting seat rotation, the cooperation connecting rod other end is connected with the other end rotation of dwang for when the connecting seat receives the power of push forward or back pressure, setting seat is fixed, the link mechanism that dwang and cooperation connecting rod constitute can drive the connecting seat and move forward or shrink. The rotating rod hinge installation structure can be simply installed on the back-following support and can play a good role in rotation and pushing.

The principle and beneficial effects of the utility model adopting the technical scheme are as follows:

the utility model provides a rotating rod hinge installation structure, which is characterized in that a rotating shaft is integrally formed on a connecting seat, the rotating rod and a closing cover are arranged into a two-flap split structure, the assembly steps of the rotating shaft are simplified through the matching of the rotating shaft with a rotating shaft groove and a clamping groove, the precision requirement of the diameter of the rotating shaft is reduced through the matching of the rotating rod and the closing cover, and the traditional connecting rod hinge structure is optimized.

Specifically speaking, through connecting seat and pivot integrated into one piece, the dwang with close and cover and correspond the pivot respectively and be equipped with pivot groove and centre gripping groove, press from both sides the pivot between pivot groove and centre gripping groove and fixed dwang with close and cover, accomplish the rotation of rotor arm and connecting seat and be connected, the pivot need not alone to install, the redundant installation step has been saved, and the cooperation centre gripping pivot of pivot groove and centre gripping groove need not want the pivot to need higher precision like the cooperation in pivot hole, also can guarantee smooth and easy pivoted while the structure can not be loose, and overall structure is simple, manufacturing and assembly process are not complicated, the cost of production has been controlled.

Drawings

FIG. 1 is a perspective view of the front side of a pivotal lever hinge mounting structure;

FIG. 2 is a perspective view of the rear side of the pivotal lever hinge mounting structure;

FIG. 3 is a perspective view of the rear side of the pivotal lever hinge mounting structure with the cover removed;

FIG. 4 is an exploded view of the rear side of the pivotal lever hinge mounting structure;

FIG. 5 is a schematic view of the connection of the rotating lever to the lid;

FIG. 6 is a perspective view of the back support;

FIG. 7 is an exploded view of a linear power element of the back support;

the reference numerals are as follows: the device comprises a 1-connecting seat, a 2-rotating rod, a 3-closing cover, a 4-mounting groove, a 5-rotating shaft, a 6-avoiding space, a 7-rotating shaft groove, an 8-clamping groove, a 9-connecting column, a 10-connecting hole, an 11-connecting groove, a 12-mounting seat, a 13-matching connecting rod, a 14-outer sleeve, a 15-inner connecting pipe, a 16-spring and a 17-vertical rod.

Description of the embodiments

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

The specific embodiments of the present utility model are as follows:

as shown in fig. 1-5, the utility model firstly provides a hinge installation structure of a rotating rod, which comprises a connecting seat 1, a rotating rod 2 and a closing cover 3, wherein the connecting seat 1 can be used for assembling a chair back, a rotating shaft 5 is integrally formed on the connecting seat 1, the rotating shaft 5 is arranged in a lifting way, a space is reserved for connecting the rotating rod 2, a rotating shaft groove 7 matched with the rotating shaft 5 is reserved at one end of the rotating rod 2 corresponding to the position of the rotating shaft 5, a clamping groove 8 matched with the rotating shaft 5 is reserved at the closing cover 3 corresponding to the position of the rotating shaft 5, the rotating rod 2 is firstly abutted against the rotating shaft 5 along the radial direction of the rotating shaft 5, then the closing cover 3 is abutted against the rotating shaft 5 along the radial direction of the rotating shaft 5, the rotating shaft groove 7 clamps the rotating shaft 5 in the clamping groove 8, and finally, after the rotating rod 2 is fixedly connected with the closing cover 3, the rotating rod 2 is rotatably connected with the connecting seat 1 through the rotating shaft 5.

The hinge installation structure of the rotating rod is described above, and the following specific description is made for each part:

specifically, as shown in fig. 3-4, the connecting seat 1 is provided with a mounting groove 4, the left and right groove walls of the mounting groove 4 are integrally formed and symmetrically protrude with a pair of rotating shafts 5, and a certain distance is reserved between each rotating shaft 5 and the wall of the mounting groove 4 parallel to the rotating shafts 5, so that the rotating rod 2 can be conveniently inserted into the mounting groove 4 without influencing rotation, and the rotating rod 2 is abutted against the pair of rotating shafts 5 after being inserted into the mounting groove 4.

Further, as shown in fig. 4-5, a space is reserved between two symmetrical rotating shafts 5, a square connecting column 9 with a threaded hole protrudes from the opposite surface of the rotating rod 2 to the closing cover 3, the connecting column 9 is located in the space between the two rotating shafts 5, a connecting groove 11 is concaved on the closing cover 3 corresponding to the connecting column 9, a connecting hole 10 is opened in the connecting groove 11 corresponding to the threaded hole, the closing cover 3 is fixedly connected with the rotating rod 2 through a locking screw of the connecting hole 10, the rotating shaft 5 is clamped in the closing cover 3 and the rotating rod 2, an avoidance space 6 is concavely formed on the surface of the rotating rod 2 matched with the closing cover 3, and the closing cover 3 is fixedly connected with the rotating rod 2 and then located in the avoidance space 6.

Still further, as shown in fig. 4 to 5, the cross section of the combined rotary shaft groove 7 and the clamping groove 8 is a complete circle, and the cross section of the combined rotary shaft groove 7 and the clamping groove 8 is concentric and has the same diameter as the cross section of the rotary shaft 5, so that the rotary shaft 5 can smoothly rotate between the rotary shaft groove 7 and the clamping groove 8.

And further, as shown in fig. 6-7, the back-tracking support comprises a vertical rod 17, a placement seat 12, a matching connecting rod 13 and a hinged installation structure of the rotating rod 2, wherein the placement seat 12 is sleeved on the vertical rod 17 and is relatively fixed with the vertical rod 17, one end of the matching connecting rod 13 is rotationally connected with the placement seat 12, the other end of the matching connecting rod 13 is rotationally connected with the other end of the rotating rod 2, a linear power piece is arranged between the connecting seat 1 and the placement seat 12, so that the placement seat 12 is fixed when the linear power piece provides a forward pushing force, and a connecting rod mechanism formed by the rotating rod 2 and the matching connecting rod 13 can be connected with the connecting seat 1 to forward push.

Further, as shown in fig. 7, the linear power member is composed of an outer sleeve 14, an inner tube 15 and a spring 16, the outer sleeve 14 and the positioning seat 12 are integrally formed and face the direction of the connecting seat 1, the inner tube 15 is fixedly connected with the connecting seat 1 and faces the direction of the positioning seat 12, the inner tube 15 is inserted into the outer sleeve 14, the spring 16 is arranged between the orifice of the inner tube 15 and the positioning seat 12, and the spring 16 provides an pushing force for the inner tube 15, so as to provide a pushing force for the connecting seat 1.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims

1. A swivelling lever hinge mounting structure, characterized by comprising: the connecting seat, dwang and closing the lid, integrated into one piece has the pivot on the connecting seat, and the pivot is chosen empty to set up, and the one end of dwang correspond the pivot position concave have with pivot complex pivot groove, close and then correspond concave be equipped with pivot complex centre gripping groove, dwang and closing the lid and take with the pivot along the radial direction of pivot respectively and lean on, make the twist axle press from both sides between pivot groove and centre gripping groove, dwang and closing the lid and be connected fixed back dwang and realize being connected with the rotation of connecting seat through the pivot.

2. The pivotal lever hinge mounting structure according to claim 1, wherein: the connecting seat is provided with a mounting groove, the left groove wall and the right groove wall of the mounting groove are integrally formed with the rotating shaft, and at least one of the rotating rod or the closing cover is inserted into the mounting groove and then is lapped with the rotating shaft.

3. The pivotal lever hinge mounting structure according to claim 2, wherein: a pair of rotating shafts symmetrically protrudes from the left and right groove walls of the mounting groove.

4. The pivotal lever hinge mounting structure according to claim 1, wherein: the connecting column with a threaded hole is protruded on the butt joint surface of the rotating rod and the butt joint surface of the closing cover, the connecting hole is formed in the connecting column corresponding to the closing cover, and the closing cover is fixedly connected with the rotating rod through a screw locked in the connecting hole.

5. The pivotal lever hinge mounting structure according to claim 4, wherein: the two rotating shafts are bilaterally symmetrical, a space is reserved between the two rotating shafts, and the connecting column is positioned in the space.

6. The pivotal lever hinge mounting structure according to claim 4, wherein: the cover is provided with a connecting groove corresponding to the connecting column, and the connecting column is inserted into the connecting groove.

7. The pivotal lever hinge mounting structure according to claim 1, wherein: the face of the rotating rod matched with the closing cover is concavely arranged to form an avoidance space, and the closing cover is positioned in the avoidance space.

8. The pivotal lever hinge mounting structure according to claim 1, wherein: the cross section of the combined rotating shaft groove and the clamping groove is a complete circle.

9. The pivotal lever hinge mounting structure according to claim 8, wherein: the cross section of the combined rotating shaft groove and the clamping groove is concentric with the cross section of the rotating shaft and has the same diameter.

10. A back-tracking support, characterized by comprising a vertical rod, a setting seat, a matched connecting rod and a rotating rod hinged installation structure according to any one of claims 1-9, wherein the setting seat is sleeved on the vertical rod and is relatively fixed with the vertical rod, one end of the matched connecting rod is rotationally connected with the setting seat, the other end of the matched connecting rod is rotationally connected with the other end of the rotating rod, so that when the connecting seat is subjected to forward pushing or backward pressing force, the setting seat is fixed, and a connecting rod mechanism formed by the rotating rod and the matched connecting rod can drive the connecting seat to move forwards or retract backwards.