Seat part positioning tool
By designing a positioning fixture for seat components, and utilizing structures such as positioning pins, positioning bosses, and locking switches, the positioning plate can be quickly replaced, solving the problem of long replacement time of existing fixtures and improving production and testing efficiency.
Patent Information
- Application Number
- CN202520163374.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The existing chair fixtures need to be changed simultaneously when product specifications are changed, resulting in long changeover times and affecting production and testing efficiency.
Design a positioning fixture for seat components, including a base and a detachable positioning plate. The positioning plate can be quickly replaced through structures such as positioning pins, positioning bosses, protrusions, and locking switches to adapt to products of different specifications.
The positioning plate can be quickly replaced by rotating the locking switch, which simplifies the tooling change process and improves production and testing efficiency.
Smart Images

Figure CN223749477U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chair production technical field, especially a kind of chair component positioning tool. BACKGROUND
[0002] Among the existing office chair, usually there is adjusting component, the pitch of chair backrest is adjusted by adjusting component, so that user reaches the best sitting posture.
[0003] Among the existing adjusting component, as shown in Figure Figures 11-12 Positioning hole 7-1 and recess 7-2 are arranged on adjusting component 7. The existing adjusting component needs to be placed on specific tool first during flow line assembly or detection, product (adjusting component) moves along with tool and reaches different workstations for assembly or detection.
[0004] However, when using the existing tool, one specification tool can only adapt to one specification product, when changing product specification, tool on flow line needs to be changed synchronously, so that flow line can adapt to different specification products;And the existing tool is more troublesome to replace, and the replacement time is longer, which is not conducive to the improvement of production and detection efficiency. SUMMARY
[0005] The utility model aims at solving the deficiency in prior art, provide a kind of chair component positioning tool.
[0006] The utility model aims at realizing by the following technical scheme: a kind of chair component positioning tool, including base, positioning plate, positioning plate is detachably connected between base, positioning pin, positioning boss and bump are provided on positioning plate, positioning pin is matched with the positioning hole on adjusting component, boss is matched with the recess on adjusting component;Lock hole piece is provided on base, lock hole piece is provided with lock hole;Locking switch corresponding with lock hole piece is provided on positioning plate, locking switch includes base, rotationally connected with pivot on base, the one end of pivot is provided with the bayonet lock matched with lock hole, the other end of pivot is provided with rotary handle.
[0007] As preferred, positioning column is provided on the base, positioning column hole corresponding with positioning column is provided on the positioning plate;When positioning plate is connected with base, positioning column is inserted into positioning column hole.
[0008] As preferred, lock hole piece is fixedly connected with base by first fixed screw.
[0009] Preferably, the positioning plate is provided with a mounting groove, the base is mounted in the mounting groove, the bottom of the mounting groove is provided with a screw through hole, and the bottom of the base is provided with a threaded hole corresponding to the screw through hole; the base is connected with the positioning plate through a second fixing screw; the second fixing screw is connected with the threaded hole on the base after passing through the screw through hole.
[0010] Preferably, the bottom of the base is provided with a mounting hole.
[0011] Preferably, the base is provided with a limiting groove, the rotating shaft is provided with a limiting convex shaft, and the limiting convex shaft extends into the limiting groove. The limiting groove is an arc-shaped groove, and the central angle of the limiting groove is 90 degrees.
[0012] Preferably, the base is provided with two guide grooves, the two guide grooves are located at two ends of the limiting groove respectively, and the guide grooves are arranged along the radial direction of the base; one end of the guide groove close to the limiting groove is an open end; the open end of the guide groove is provided with a steel ball, a spring is arranged in the guide groove, one end of the spring is in contact with the steel ball, and the other end of the spring is in contact with the bottom of the guide groove; the open end of the guide groove is provided with a check ring for limiting the steel ball.
[0013] The utility model discloses the beneficial effect is: the utility model discloses only need to rotate locking switch can conveniently complete the replacement of positioning plate, and the replacement operation is more simple, saves the replacement time, improves the replacement efficiency, thereby is favorable to improve the production, detection efficiency of generating. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structural schematic diagram of the utility model.
[0015] Figure 2 It is the structural schematic diagram of the base.
[0016] Figure 3 It is the structural schematic diagram of the positioning plate.
[0017] Figure 4 It is the structural schematic diagram of one direction when locking switch is installed on the positioning plate.
[0018] Figure 5 It is the structural schematic diagram of another direction when locking switch is installed on the positioning plate.
[0019] Figure 6 It is the structural schematic diagram of one direction of locking switch.
[0020] Figure 7 It is the structural schematic diagram of another direction of locking switch.
[0021] Figure 8 It is the side view of locking switch.
[0022] Figure 9 As Figure 8 A-A direction in the sectional view.
[0023] Figure 10 As Figure 9 A-A direction in the sectional view.
[0024] Figure 11 As As
[0025] Figure 12 As
[0026] Figure 13 As
[0027] In the figure: 1, base, 1-1, positioning column, 1-2, mounting hole, 2, positioning plate, 2-1, positioning pin, 2-2, positioning boss, 2-3, protrusion, 2-4, mounting groove, 2-5, screw through hole, 2-6, positioning column hole, 3, locking switch, 3-1, base, 3-2, rotating shaft, 3-3, locking pin, 3-4, rotating handle, 3-5, threaded hole, 3-6, limiting groove, 3-7, limiting convex shaft, 3-8, guide groove, 3-9, spring, 3-10, steel ball, 3-11, check ring, 4, lock hole piece, 4-1, lock hole, 5, first fixing screw, 6, second fixing screw, 7, adjusting component, 7-1, positioning hole, 7-2, groove. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.
[0029] As Figures 1-13 shown, a seat component positioning tool, characterized by comprising a base 1 and a positioning plate 2, the positioning plate 2 is detachably connected with the base 1, the positioning plate 2 is provided with a positioning pin 2-1, a positioning boss 2-2 and a protrusion 2-3, the positioning pin 2-1 is matched with a positioning hole 7-1 on the adjusting component 7, and the boss is matched with a groove 7-2 on the adjusting component 7.
[0030] The base 1 is provided with a lock hole piece 4, and the lock hole piece 4 is provided with a lock hole 4-1; the positioning plate 2 is provided with a locking switch 3 corresponding to the lock hole piece 4, and the locking switch 3 comprises a base 3-1, the base 3-1 is rotationally connected with a rotating shaft 3-2, one end of the rotating shaft 3-2 is provided with a locking pin 3-3 matched with the lock hole 4-1, and the other end of the rotating shaft 3-2 is provided with a rotating handle 3-4.
[0031] In the utility model, when the adjusting part 7 is placed on the positioning tool, the positioning pin 2-1 on the positioning plate 2 is matched with the positioning hole 7-1 on the adjusting part 7, and the positioning pin 2-1 is inserted into the positioning hole 7-1; the upper end surface of the positioning boss 2-2 is in contact with the bottom surface of the adjusting part 7, the lug 2-3 is matched with the groove 7-2 on the adjusting part 7, and the positioning pin 2-1, the positioning boss 2-2 and the lug 2-3 jointly position the adjusting part 7. The positioning plate 2 and the base 1 are detachably connected, so that the positioning plate 2 can be conveniently replaced; when the positioning plate 2 is replaced, the locking switch 3 is only needed to be rotated to make the locking switch 3 be in the unlocking state, then the current positioning plate 2 is detached from the base 1, the positioning plate 2 to be installed is installed on the base 1, the locking pin 3-3 is passed through the lock hole 4-1 on the base 1, the locking switch 3 is rotated to make the locking switch 3 be in the locking state, the positioning plate 2 and the base 1 are locked by the locking switch 3, so that the positioning plate 2 is fixed on the base 1, and the replacement of the positioning plate 2 is completed.
[0032] In the embodiment, the lock hole 4-1 is a rectangular hole, when the locking pin 3-3 is rotated to be perpendicular to the lock hole 4-1, the locking switch 3 is in the locking state, the positioning plate 2 and the base 1 are locked, and the two cannot be separated; when the locking pin 3-3 is rotated to be parallel to the lock hole 4-1, the locking pin 3-3 can pass through the lock hole 4-1, the locking switch 3 is in the unlocking state, the positioning plate 2 and the base 1 can be separated, and the positioning plate 2 can be detached from the base 1.
[0033] One specification of the positioning plate 2 can be adapted to one product (adjusting part 7), different specifications of the positioning plate 2 are replaced, the tool can be adapted to products (adjusting parts 7) of multiple specifications. The utility model only needs to rotate the locking switch 3 to conveniently replace the positioning plate 2, the replacement operation is relatively simple, the replacement time is saved, the replacement efficiency is improved, and the production and detection efficiency is improved.
[0034] The base 1 is provided with a positioning column 1-1, and the positioning plate 2 is provided with a positioning column hole 2-6 corresponding to the positioning column 1-1; when the positioning plate 2 is connected with the base 1, the positioning column 1-1 is inserted into the positioning column hole 2-6. The positioning precision between the positioning plate 2 and the base 1 is improved through the cooperation between the positioning column 1-1 and the positioning column hole 2-6.
[0035] The locking hole part 4 is fixedly connected with the base 1 by a first fixing screw 5.
[0036] The positioning plate 2 is provided with a mounting groove 2-4, the base 3-1 is mounted in the mounting groove 2-4, the bottom of the mounting groove 2-4 is provided with a screw through hole 2-5, and the bottom of the base 3-1 is provided with a threaded hole 3-5 corresponding to the screw through hole 2-5; the base 3-1 is connected with the positioning plate 2 through a second fixing screw 6; the second fixing screw 6 is connected with the threaded hole 3-5 on the base 3-1 after passing through the screw through hole 2-5.
[0037] Further, the base 3-1 is provided with a limiting groove 3-6, the rotating shaft 3-2 is provided with a limiting convex shaft 3-7, and the limiting convex shaft 3-7 extends into the limiting groove 3-6. When the limiting convex shaft 3-7 rotates to one end of the limiting groove 3-6, the locking switch 3 is in the locked state; when the limiting convex shaft 3-7 rotates to the other end of the limiting groove 3-6, the locking switch 3 is in the unlocked state.
[0038] The base 3-1 is provided with two guide grooves 3-8, the two guide grooves 3-8 are located at two ends of the limiting groove 3-6 respectively, and the guide grooves 3-8 are arranged along the radial direction of the base 3-1; one end of the guide groove 3-8 close to the limiting groove 3-6 is an open end; the open end of the guide groove 3-8 is provided with a steel ball 3-10, the guide groove 3-8 is provided with a spring 3-9, one end of the spring 3-9 is in contact with the steel ball 3-10, and the other end of the spring 3-9 is in contact with the bottom of the guide groove 3-8; the open end of the guide groove 3-8 is provided with a check ring 3-11 for limiting the steel ball 3-10. The steel ball 3-10 partially protrudes from the guide groove 3-8; when the limiting convex shaft 3-7 rotates to one end of the limiting groove 3-6, the locking switch 3 is in the locked state at this time, the steel ball 3-10 can play a certain blocking and limiting role on the limiting convex shaft 3-7, so that the limiting convex shaft 3-7 is stable at the current position, and the locking switch 3 is stable in the locked state. Similarly, when the limiting convex shaft 3-7 rotates to the other end of the limiting groove 3-6, the locking switch 3 is in the unlocked state at this time, the steel ball 3-10 can play a certain blocking and limiting role on the limiting convex shaft 3-7, so that the limiting convex shaft 3-7 is stable at the current position, and the locking switch 3 is stable in the unlocked state.
[0039] The bottom of the base 1 is provided with a mounting hole 1-2. The base 1 can be mounted on a flow line or a corresponding device through the mounting hole 1-2.
[0040] The utility model is not limited to the above-mentioned best implementation, anyone can draw other various forms of products under the enlightenment of the utility model, but no matter make any change in its shape or structure, any technical scheme with the same or similar to the present application falls within the protection scope of the utility model.
Claims
1. A positioning fixture for a seat component, characterized in that, It includes a base and a positioning plate, which are detachably connected to the base. The positioning plate is provided with a positioning pin, a positioning boss and a protrusion. The positioning pin cooperates with the positioning hole on the adjusting component and the boss cooperates with the groove on the adjusting component. The base is provided with a locking hole component, and the locking hole component is provided with a locking hole; the positioning plate is provided with a locking switch corresponding to the locking hole component. The locking switch includes a base, and a rotating shaft is rotatably connected to the base. One end of the rotating shaft is provided with a locking pin that cooperates with the locking hole, and the other end of the rotating shaft is provided with a rotating handle.
2. The seat component positioning fixture according to claim 1, characterized in that, The base is provided with a positioning post, and the positioning plate is provided with positioning post holes corresponding to the positioning post; when the positioning plate is connected to the base, the positioning post is inserted into the positioning post hole.
3. The positioning fixture for a seat component according to claim 1, characterized in that, The locking hole is fixedly connected to the base by the first fixing screw.
4. The seat component positioning fixture according to claim 1, characterized in that, The positioning plate is provided with a mounting groove, and the base is installed in the mounting groove. The bottom of the mounting groove is provided with a screw through hole, and the bottom of the base is provided with a threaded hole corresponding to the screw through hole. The base is connected to the positioning plate by a second fixing screw. The second fixing screw passes through the screw through hole and connects to the threaded hole on the base.
5. A positioning fixture for a seat component according to claim 1, characterized in that, The base has mounting holes at its bottom.
6. A positioning fixture for a seat component according to claim 1, characterized in that, The base is provided with a limiting groove, and the rotating shaft is provided with a limiting protrusion that extends into the limiting groove.
7. A positioning fixture for a seat component according to claim 6, characterized in that, The base is provided with two guide grooves, which are located at both ends of the limiting groove. The guide grooves are arranged radially along the base. The end of the guide groove near the limiting groove is an open end. A steel ball is provided in the open end of the guide groove, and a spring is provided in the guide groove. One end of the spring contacts the steel ball, and the other end of the spring contacts the bottom of the guide groove. A retaining ring is provided at the open end of the guide groove to limit the movement of the steel ball.