Simple mounting structure of door handle
Through the combined structure of the handle steel sleeve, spring piece and handle square support card, the lock square rod is fixed with elastic resistance, which solves the problem of screw rust and corrosion, and realizes the simple installation and long-life use of door handles.
Patent Information
- Application Number
- CN202422433152.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-09
AI Technical Summary
In the existing door handle installation structure, the screws are prone to rust and corrosion during long-term use, which makes it difficult to disassemble and assemble the handle and square rod, and affects the service life.
The combined structure of handle steel sleeve, spring member and handle square support card is adopted to generate resistance by using the elastic pressure of the spring member to fix the lock square rod, and the lock handle and lock square rod are easily separated by the toggle hole position to avoid screw connection.
It realizes the need for screw fixation, avoids the problem of rust and corrosion of screws, and improves the convenience and service life of installation.
Smart Images

Figure CN223190196U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of locks, and particularly relates to a simple installation structure for a door handle. Background Art
[0002] At present, the door handle installation structure commonly used in the market generally includes a handle, a base, a stop ring and a buckle. The stop ring and the buckle are installed in the base and are sleeved on the end of the handle extending into the base. Its structure is relatively complex and is cumbersome to assemble due to the large number of parts.
[0003] To this end, a door handle mounting structure with the announcement number "CN209509678U" relates to the technical field of door handles, including a handle and a base, wherein the base is provided with a mounting hole, and the handle is provided with a connecting shaft, which passes through the mounting hole and is rotatably connected to the inner side of the base; the connecting shaft has a plurality of latching bosses protruding along the outer circumference at one end facing the inner side of the base, and a positioning sleeve is provided on the inner side of the base, and a slot is provided along the axial direction on the inner circumference of the positioning sleeve for cooperating with the latching bosses to rotate and lock the handle in the positioning sleeve. The utility model adopts a method in which a plurality of latching bosses are protruding from one end of the handle's connecting shaft passing through the base, a positioning sleeve is provided on the inner side of the base, and a slot is provided along the axial direction on the positioning sleeve for the latching bosses to pass through, so that the handle can be rotated and locked in the positioning sleeve, realizing the rotation operation of the handle when opening and closing. It has a simple and stable structure, high assembly efficiency, low production cost, long service life, and low failure rate.
[0004] However, for the above-mentioned door handle installation structure, although the connecting shaft and the pull sleeve are installed together, and the connection is fixed by positioning bolts, which further reduces the processing difficulty and improves the product yield, the following more obvious defects still exist during use: the above-mentioned lock is to lock and fix the handle and the square rod with bolts. Since the screws will rust and corrode due to the influence of the external environment and climate under long-term use of the lock, the handle and the square rod cannot be separated and disassembled during assembly and disassembly, which makes it easy for the handle to be damaged when disassembled. Utility Model Content
[0005] The purpose of the present invention is to provide a simple installation structure for a door handle to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a simple door handle installation structure, comprising:
[0007] A handle steel sleeve, a lock square rod for providing transmission force to the lock is limitedly inserted into the handle steel sleeve, one end of the lock square rod is obliquely connected with a handle square support card for generating resistance to the lock square rod and clamping it and fits into the inclined surface of one end of the handle steel sleeve, one side of the handle square support card is provided with a spring part that is connected to the lock square rod and elastically tightens the handle square support card to generate resistance, the outer surface of the spring part is provided with a spring sleeve that passes through the lock square rod and is sleeved on the spring part, and the other end of the lock square rod is positioned and connected with a lock handle A.
[0008] Preferably, a lock handle B is fixedly sleeved on the outside of the handle steel sleeve, and a toggle hole is provided on the surface of the lock handle B for toggling the handle square card to release the resistance and pull out the lock square rod, so that a tool can be used to toggle the handle square card to contact the fixed resistance for disassembly.
[0009] Preferably, positioning slots are provided on both sides of the outside of the handle square branch card to position the side plates in the spring sleeve, and a square positioning slot is provided inside the handle square branch card. The lock square rod is positioned and inserted into the square positioning slot, and the spring sleeve plays a role in moving and positioning the spring part.
[0010] Preferably, both sides of one end of the inclined surface of the handle steel sleeve are provided with concave planes for limiting the handle steel sleeve by the side plates of the spring sleeve, so that the handle steel sleeve maintains stability and firmness and rotates synchronously with the lock square rod.
[0011] Preferably, one end of the lock square rod is positioned and penetrated with a handle connecting sleeve, and one end of the lock square rod is connected and fixed inside the lock handle A through the handle connecting sleeve, thereby realizing the installation and fixation of the inner and outer handles.
[0012] Preferably, a lock hole with an internal thread is provided on the outside of the lock handle A and the handle connecting sleeve, and the internal thread of the lock hole is provided with a hexagonal lock column for locking the lock handle A to one end of the lock square rod, thereby locking and fixing the lock handle A.
[0013] Compared with the prior art, the technical effects and advantages of the present invention are as follows: the door handle has a simple installation structure, which is inserted into the lock square rod through the combination of the handle steel sleeve, the spring part, the spring pressure sleeve, and the handle square support card, and the lock handle B is sleeved on the outside of the handle steel sleeve. After one end of the lock square rod is inserted into the handle steel sleeve and the handle is placed on the card, the elastic pressure of the spring part is used to make the handle square support card tilt and press against an inclined end of the handle steel sleeve, so that the tilt of the handle square support card generates resistance, so that the lock square rod can be inserted into the handle steel sleeve and fixed using the generated resistance. At the same time, when separating the lock square rod, a simple tool is used to insert it into the toggle hole and gently toggle the handle square support card in the direction of the lock handle B, so that the lock handle B and the lock square rod can be easily separated and removed by removing the resistance, thereby eliminating the need for screws to lock the square rod and the handle, thereby avoiding the problem of rust and corrosion of the screws due to the influence of the external environment and climate under long-term use of the lock. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the explosion structure of the handle of the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the handle assembly state of the utility model.
[0016] In the figure: 1. Handle steel sleeve; 2. Lock square rod; 3. Handle square support card; 4. Spring part; 5. Spring sleeve; 6. Lock handle A; 7. Lock handle B; 8. Toggle hole; 9. Positioning slot; 10. Concave plane; 11. Square positioning slot; 12. Handle connecting sleeve; 13. Lock hole; 14. Hexagonal lock cylinder. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0018] See also Figure 1-2 , the utility model provides a technical solution:
[0019] A simple door handle installation structure, comprising:
[0020] The outer surface of the spring component 4 is provided with a spring sleeve 5 which passes through the lock square rod 2 and is sleeved on the spring component 4. The other end of the lock square rod 2 is positioned and connected with a lock handle A6 to realize the installation and fixation of the lock handle A6 at the other end of the lock square rod 2.
[0021] The handle steel sleeve 1 is externally sleeved and fixed with a lock handle B7, and the surface of the lock handle B7 is penetrated by a toggle hole 8 for toggling the handle square branch card 3 to release the resistance of the lock square rod 2 and pull it out. A slender tool can be inserted into the toggle hole 8 to toggle the handle square branch card 3 into a parallel state. Positioning grooves 9 are provided on both sides of the outside of the handle square branch card 3 for positioning the side plates in the spring sleeve 5, and a square positioning groove 11 is provided in the handle square branch card 3, which is conducive to positioning the handle square branch card 3 and passing it on the lock square rod 2 for tilted locking and disassembly and assembly of the wrench. The lock square rod 2 is positioned and passed through the square positioning groove 11, and an inner concave plane 10 is provided on both sides of one end of the inclined surface of the handle steel sleeve 1 for limiting the side plates of the spring sleeve 5 to the handle steel sleeve 1, so that the lock handle B7 drives the lock square rod 2 to transmit and unlock the lock core.
[0022] A handle connecting sleeve 12 is positioned and inserted into one end of the lock square rod 2, allowing the lock handle A6 to be installed on the end of the lock square rod 2 located indoors. One end of the lock square rod 2 is connected and fixed to the interior of the lock handle A6 through the handle connecting sleeve 12. The lock handle A6 and the handle connecting sleeve 12 are connected by an internally threaded locking hole 13, which allows the lock handle A6 to be locked and fixed to one end of the lock square rod 2. The internal thread of the locking hole 13 is provided with a hexagonal locking pin 14 that locks the lock handle A6 to one end of the lock square rod 2. The hexagonal locking pin 14 can be locked and removed using a hexagonal wrench.
[0023] Specifically, when in use, first install the lock core of the lock at the side of the door body and fix it, so that the spring sleeve 5 is installed into the interior of the lock handle B7, and the spring part 4 is inserted into the interior of the spring sleeve 5, and the handle square card 3 is fitted into one end of the spring part 4, and then the handle steel sleeve 1 is inserted into the inner side of the spring sleeve 5 by using the concave plane 10 for positioning, and then one end of the lock square rod 2 is passed from the handle steel sleeve 1 and the handle square card 3 and the spring part 4 into the interior of the lock handle B7, at this time, the elasticity of the spring part 4 is used to push the handle square card 3 to tilt and fit on the inclined end of the handle steel sleeve 1, and the handle square card The tilt of 3 generates resistance, and the generated resistance can lock one end of the lock square rod 2, so that the lock handle B7 can be locked and connected without using screws. At the same time, when separating the lock square rod 2, use a simple tool to insert it into the toggle hole 8 and gently toggle the handle square branch card 3 in the direction of the lock handle B7 to keep the handle square branch card 3 parallel. The resistance between the lock handle B7 and the lock square rod 2 can be removed and easily separated and disassembled, thereby eliminating the need to use screws to lock the square rod and the handle, thereby avoiding the problem of rust and corrosion of the screws due to the influence of the external environment and climate under long-term use of the lock.
[0024] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A simple installation structure for door handles, characterized in that: include: A handle steel sleeve (1) is provided, wherein a lock square rod (2) for providing transmission force to the lock is inserted into the handle steel sleeve (1), one end of the lock square rod (2) is obliquely inserted with a handle square support card (3) for generating resistance to the lock square rod (2) and clamping the handle square support card (3) and fitting to the inclined surface of one end of the handle steel sleeve (1), one side of the handle square support card (3) is provided with a spring member (4) which is inserted into the lock square rod (2) and elastically presses the handle square support card (3) to generate resistance, the outer surface of the spring member (4) is provided with a spring sleeve (5) which passes through the lock square rod (2) and is sleeved on the spring member (4), and the other end of the lock square rod (2) is positioned and inserted with a lock handle A (6).
2. The door handle simple installation structure according to claim 1, characterized in that: The handle steel sleeve (1) is externally sleeved and fixed with a lock handle B (7), and a surface of the lock handle B (7) is penetrated by a toggle hole (8) for toggling the handle square support card (3) to remove the resistance of the lock square rod (2).
3. The door handle simple installation structure according to claim 1, characterized in that: Positioning slots (9) for positioning the side plates in the spring sleeve (5) are provided on both sides of the outside of the handle square support card (3), and a square positioning slot (11) is provided inside the handle square support card (3), and the lock square rod (2) is positioned and connected in the square positioning slot (11).
4. The door handle simple installation structure according to claim 1, characterized in that: Both sides of one end of the inclined surface of the handle steel sleeve (1) are provided with inner concave planes (10) for limiting the position of the handle steel sleeve (1) by the side plates of the spring sleeve (5).
5. The door handle simple installation structure according to claim 1, characterized in that: One end of the lock square rod (2) is positioned and penetrated with a handle connecting sleeve (12), and one end of the lock square rod (2) is penetrated and fixed inside the lock handle A (6) through the handle connecting sleeve (12).
6. The door handle simple installation structure according to claim 5, characterized in that: The lock handle A (6) and the handle connecting sleeve (12) are provided with a lock hole (13) with an internal thread, and the internal thread of the lock hole (13) is provided with a hexagonal lock column (14) for locking the lock handle A (6) to one end of the lock square rod (2).
Citation Information
Patent Citations
Door handle mounting structure
CN209509678U