Positioning clamp and positioning assembly suitable for door lock frame
By designing a positioning fixture suitable for door lock frames, simultaneous positioning of both the front and back sides of the door lock frame is achieved, solving the problem of increased costs due to the need to replace fixtures in existing technologies, and improving production efficiency and accuracy.
Patent Information
- Application Number
- CN202520155380.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The existing positioning fixture can only position one side of the door lock frame. If the inner and outer sides need to be processed, the fixture needs to be replaced, which increases production costs.
A positioning fixture suitable for door lock frames is designed, including a support base and detachable first and second pressing components. The support base is provided with positioning pins and positioning holes, which can simultaneously position the front and back sides of the door lock frame, and fix them respectively by the first and second pressing components.
The door lock frame can be positioned inside and outside without the need for additional clamps, reducing production costs and improving production efficiency and processing accuracy.
Smart Images

Figure CN223863347U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of fixture, especially the positioning fixture and positioning assembly suitable for door lock frame. BACKGROUND
[0002] Door lock frame belongs to an important component of door lock, in daily life, some door locks usually process the outside of door lock frame to pursue the appearance, but the inside of door lock frame also needs to be processed to install parts, therefore the inside and outside of the door lock frame used by this kind of door lock need to be processed.
[0003] But the present positioning fixture can only position one side of door lock frame usually, because the surface of existing door lock frame usually has the lock hole of convexity and the empty slot of installing password touch screen or handle, the positioning fixture usually sets up a positioning column matched with the lock hole on the positioning surface to position the door lock frame accurately, when the positioning fixture positions the outside of door lock frame, the lock hole can be sleeved on the positioning column to prevent the door lock frame from moving up and down and left and right, so as to process the outside of door lock frame, but if the inside of door lock frame needs to be processed, other positioning fixture needs to be replaced to position the door lock frame, if the positioning fixture is not replaced, the lock hole of convexity on the door lock frame will be pressed against the positioning surface, so that the side of door lock frame with the lock hole and the empty slot cannot be close to the positioning surface, resulting in poor positioning effect, therefore the corresponding other positioning fixture needs to be replaced, however, manufacturing or purchasing other positioning fixture will increase the production cost of manufacturers.
[0004] Therefore, the prior art needs to be improved and improved. UTILITY MODEL CONTENTS
[0005] In view of the above problems of the prior art, the utility model aims at providing a positioning fixture and positioning assembly suitable for door lock frame, which aims at solving the problem that the positioning fixture in the prior art can only position one side of door lock frame, and if the inside and outside of door lock frame need to be processed, the positioning fixture needs to be replaced, but the replaced positioning fixture needs to be purchased or manufactured by manufacturers, resulting in the problem of high cost of manufacturers in producing door lock frame.
[0006] The technical scheme adopted by the utility model to solve the technical problem is as follows:
[0007] In the first aspect, the utility model provides a positioning fixture suitable for door lock frame, which comprises:
[0008] The support seat is provided with a first positioning surface and a second positioning surface distributed oppositely, the first positioning surface is provided with a positioning column, and the second positioning surface is provided with a positioning hole.
[0009] A first pressing component is detachably disposed on the first positioning surface for pressing and positioning the front of the door lock frame on the support base;
[0010] The second pressing assembly is detachably disposed on the second positioning surface for pressing and positioning the back of the door lock frame on the support.
[0011] As a further improved technical solution, the positioning post and the positioning hole are coaxially arranged on the support base.
[0012] As a further improved technical solution, a positioning plate is also provided on the first positioning surface, the positioning plate being used to abut against the inner wall of the opening side of the door lock frame.
[0013] As a further improved technical solution, the positioning plate is provided with a positioning block, and the first pressing component is detachably disposed on the side of the positioning block opposite to the positioning plate.
[0014] As a further improved technical solution, the first pressing component includes a first pressing block and a first screw. One end of the first screw is disposed inside the positioning block, and the first pressing block is disposed at the other end of the first screw and is spaced apart from and opposite to the positioning block.
[0015] As a further improved technical solution, a positioning piece is also provided on the second positioning surface, and the second pressing component is detachably mounted on the positioning piece.
[0016] As a further improved technical solution, the second pressing component includes a second pressing block and a second screw. One end of the second screw is disposed inside the positioning piece, and the second pressing block is disposed at the other end of the second screw and is spaced apart from and opposite to the positioning piece.
[0017] As a further improvement, the aforementioned positioning fixture for door lock frames also includes:
[0018] The third pressing assembly includes a third pressing block and a third screw. One end of the third screw is threadedly connected to the first positioning surface, and the third pressing block is disposed at the other end of the third screw and is spaced apart from and opposite to the first positioning surface.
[0019] As a further improvement, the aforementioned positioning fixture for door lock frames also includes:
[0020] The fourth pressing component includes a fourth pressing block and a fourth screw. One end of the fourth screw is threadedly connected to the second positioning surface, and the fourth pressing block is disposed at the other end of the fourth screw and is spaced apart from and opposite to the second positioning surface.
[0021] Secondly, this utility model embodiment provides a positioning component, including a positioning fixture for a door lock frame as described in any of the above-mentioned embodiments, and a push rod and a three-jaw chuck mounted on a CNC machine tool; one end of the support base is provided with a boss, and the three-jaw chuck clamps the outer periphery of the boss; the other end of the support base is provided with a circular groove coaxial with the boss, and one end of the push rod extends into the circular groove and contacts the inner wall of the circular groove.
[0022] Compared with the prior art, the embodiments of this utility model have the following advantages:
[0023] This utility model provides a positioning fixture suitable for a door lock frame, comprising: a support base, wherein the support base has a first positioning surface and a second positioning surface distributed opposite to each other, the first positioning surface has a positioning post, and the second positioning surface has a positioning hole; a first pressing assembly, which is detachably disposed on the first positioning surface for pressing and positioning the front side of the door lock frame on the support base; and a second pressing assembly, which is detachably disposed on the second positioning surface for pressing and positioning the back side of the door lock frame on the support base. In this utility model, when positioning the front side of the door lock frame, the protruding lock hole on the door lock frame can be fitted onto the positioning post, and then the door lock frame is clamped between the first pressing assembly and the first positioning surface for fixation; when positioning the back side of the door lock frame, the protruding lock hole on the door lock frame can be inserted into the positioning hole, and then the door lock frame is clamped between the second positioning surface and the second pressing assembly. The positioning fixture for door lock frames provided by this utility model can position the door lock frame from the front and back without the need for an additional positioning fixture, thereby reducing the production cost of the door lock frame, making it easier to change the positioning side of the door lock frame, and improving production efficiency. Attached Figure Description
[0024] Figure 1 A three-dimensional structural diagram of a positioning clamp suitable for a door lock frame provided by this utility model;
[0025] Figure 2 An exploded view of a positioning clamp suitable for a door lock frame provided by this utility model;
[0026] Figure 3 This is a three-dimensional structural diagram of the support base in this utility model;
[0027] Figure 4 This is a schematic diagram of the front positioning structure of the door lock frame in this utility model;
[0028] Figure 5This is a schematic diagram of the rear positioning structure of the door lock frame in this utility model;
[0029] Figure 6 This is a three-dimensional structural diagram of a positioning component provided by this utility model.
[0030] In the diagram: 1. Support base; 101. First positioning surface; 102. Second positioning surface; 103. Positioning post; 104. Positioning hole; 105. Boss; 106. Circular groove; 2. First pressing assembly; 201. First pressing block; 202. First screw; 3. Second pressing assembly; 301. Second pressing block; 302. Second screw; 4. Positioning plate; 5. Positioning block; 6. Positioning piece; 7. Third pressing assembly; 701. Third pressing block; 702. Third screw; 8. Fourth pressing assembly; 801. Fourth pressing block; 802. Fourth screw; 9. Top rod; 10. Three-jaw chuck; 11. Door lock frame; 1101. Lock hole; 1102. First empty groove; 1103. Second empty groove. Detailed Implementation
[0031] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0032] Example 1:
[0033] Please see Figures 1-5 The positioning fixture for the door lock frame includes: a support base 1, on which a first positioning surface 101 and a second positioning surface 102 are provided oppositely distributed; a positioning post 103 is provided on the first positioning surface 101; and a positioning hole 104 is provided on the second positioning surface 102; a first pressing assembly 2, which is detachably disposed on the first positioning surface 101 for pressing and positioning the front side of the door lock frame 11 on the support base 1; and a second pressing assembly 3, which is detachably disposed on the second positioning surface 102 for pressing and positioning the back side of the door lock frame 11 on the support base 1.
[0034] like Figures 1-3As shown, in this embodiment, the positioning fixture for a door lock frame includes a support base 1, a first pressing component 2, and a second pressing component 3; wherein, the support base 1 is provided with a first positioning surface 101 and a second positioning surface 102 that are relatively distributed, both the first positioning surface 101 and the second positioning surface 102 are flat horizontal surfaces, and the first positioning surface 101 is provided with a positioning post 103, and the second positioning surface 102 is provided with a positioning hole 104; the positioning post 103 and the positioning hole 104 are both used to limit and position the protruding lock hole on the door lock frame. The door lock frame to which the positioning fixture provided in this embodiment is applicable has a protruding lock hole and a slot for installing a password unlocking touch screen or door handle, such as... Figure 4 or Figure 5 A door lock frame 11 has a lock hole 1101, a first slot 1102, and a second slot 1103. When carving is to be done on the front of the door lock frame 11, the lock hole 1101 can be fitted onto the positioning post 103, the positioning post 103 abuts against the inner wall of the lock hole 1101, and the open side of the door lock frame 11 abuts against the first positioning surface 101. Then, the first pressing component 2 is installed at the first slot 1102, so that the first pressing component 2 is close to the first positioning surface 101. The side near the first positioning surface 101 is pressed against the front of the door lock frame 11, thereby pressing the door lock frame 11 tightly. The door lock frame 11 is fixed by the clamping of the first positioning surface 101 and the first pressing component 2 to achieve positioning. When drilling is required on the back of the door lock frame 11, the lock hole 1101 can be inserted into the positioning hole 104. The outer side of the lock hole 1101 abuts against the inner wall of the positioning hole 104, and the door lock frame 11 has the lock hole 1101. One side will be tightly attached to the second positioning surface 102, and then the second pressing component 3 will be installed at the first slot 1102, so that the side of the second pressing component 3 close to the second positioning surface 102 presses against the back of the door lock frame 11, thereby pressing the door lock frame 11 tightly. The door lock frame 11 is fixed by the clamping of the second positioning surface 102 and the second pressing component 3 to achieve positioning. In this utility model, when positioning the door lock frame 11 from the front, the protruding lock hole 1101 on the door lock frame 11 can be sleeved on the positioning post 103, and then the door lock frame 11 is clamped between the first pressing component 2 and the first positioning surface 101 for fixation by the first pressing component 2. When positioning the door lock frame 11 from the back, the protruding lock hole 1101 on the door lock frame 11 can be inserted into the positioning hole 104, and then the door lock frame 11 is clamped between the second positioning surface 102 and the second pressing component 3 by the second pressing component 3. The positioning fixture for door lock frames provided by this utility model can position the door lock frame 11 from the front and back without the need for an additional positioning fixture, thereby reducing the production cost of the door lock frame 11, making it easier to change the positioning side of the door lock frame 11, and improving production efficiency.
[0035] As a further solution, the positioning pin 103 and the positioning hole 104 are coaxially arranged on the support base 1. By setting the positioning pin 103 and the positioning hole 104 coaxially, the first positioning surface 101 and the second positioning surface 102 can be set to the same size, thereby reducing the size of the support base 1 and reducing the cost of manufacturing the support base 1. At the same time, the positioning fixture in this embodiment can simultaneously position two door lock frames 11. After the door lock frame 11 on the first positioning surface 101 is processed, since the positioning pin 103 and the positioning hole 104 are coaxial, the door lock frame 11 on the second positioning surface 102 will be completely opposite to the door lock frame 11 on the first positioning surface 101. Therefore, the support base 1 can be directly flipped to process the door lock frame 11 on the second positioning surface 102 without much adjustment of the tool position on the CNC machine tool, thereby speeding up production efficiency.
[0036] As a further solution, a positioning plate 4 is also provided on the first positioning surface 101. The positioning plate 4 is used to abut against the inner wall of the opening side of the door lock frame 11. The positioning plate 4 can be used to initially position the door lock frame 11 so as to facilitate the subsequent installation of the first pressing component 2.
[0037] In this embodiment, the positioning plate 4 is provided with a positioning block 5, and the first pressing component 2 is detachably disposed on the side of the positioning block 5 away from the positioning plate 4. Specifically, when the door lock frame 11 is installed on the first positioning surface 101, the positioning block 5 is located in the first empty slot 1102. The positioning block 5 can be used to initially position the door lock frame 11 and makes it easier to install the first pressing component 2.
[0038] As a further embodiment, the first pressing assembly 2 includes a first pressing block 201 and a first screw 202. One end of the first screw 202 is disposed within the positioning block 5, and the first pressing block 201 is disposed at the other end of the first screw 202 and is spaced apart from and opposite to the positioning block 5. Specifically, the first pressing block 201 is elongated, and its length is longer than the length of the first slot 1102. The front end of the first screw 202 passes through the first pressing block 201 and extends into the positioning block 5 to lock the first pressing block 201. The gap between the first pressing block 201 and the positioning block 5 is used to accommodate the side of the door lock frame 11 with the lock hole 1101.
[0039] As a further improvement, the second positioning surface 102 is also provided with a positioning piece 6, and the second pressing component 3 is detachably mounted on the positioning piece 6. Specifically, when the door lock frame 11 is installed on the second positioning surface 102, the positioning block 5 is located in the first empty slot 1102. The positioning block 5 can be used to initially position the door lock frame 11 and makes it easier to install the second pressing component 3.
[0040] In this embodiment, the second pressing component 3 includes a second pressing block 301701 and a second screw 302. One end of the second screw 302 is disposed within the positioning piece 6, and the second pressing block 301701 is disposed at the other end of the second screw 302 and is spaced apart from and opposite to the positioning piece 6. Specifically, the width of the second pressing block 301701 is wider than the width of the first slot 1102. The front end of the second screw 302 passes through the second pressing block 301701 and extends into the positioning piece 6 to lock the second pressing block 301701. The gap between the second pressing block 301701 and the positioning piece 6 is used to accommodate the side of the door lock frame 11 with the lock hole 1101.
[0041] As a further embodiment, the positioning fixture for the door lock frame further includes a third pressing component 7. The third pressing component 7 includes a third pressing block and a third screw 702. One end of the third screw 702 is threadedly connected to the first positioning surface 101, and the third pressing block is disposed at the other end of the third screw 702 and spaced apart from and opposite to the first positioning surface 101. Specifically, the first slot 1102 and the second slot 1103 on the door lock frame 11 are located at both ends of the door lock frame 11. Therefore, the middle part of the door lock frame 11 engages with the positioning post 103 through the lock hole 1101, while the two ends are pressed by the first pressing component 2 and the third pressing component 7, which enhances the stability of the door lock frame 11 on the first positioning surface 101.
[0042] As a further improvement, the positioning fixture for the door lock frame 11 also includes a fourth pressing component 8. The fourth pressing component 8 includes a fourth pressing block 801 and a fourth screw 802. One end of the fourth screw 802 is threadedly connected to the second positioning surface 102, and the fourth pressing block 801 is disposed at the other end of the fourth screw 802 and spaced apart from and opposite to the second positioning surface 102. When the door lock frame 11 is positioned on the second positioning surface 102, the middle part of the door lock frame 11 engages with the positioning hole 104 through the lock hole 1101, while both ends are pressed by the second pressing component 3 and the fourth pressing component 8, thereby enhancing the stability of the door lock frame 11 on the second positioning surface 102.
[0043] Example 2:
[0044] like Figure 6As shown, this utility model embodiment also provides a positioning component, including the positioning fixture for the door lock frame 11 as described in any of the above embodiments, and a top rod 9 and a three-jaw chuck 10 installed on a CNC machine tool; one end of the support base 1 is provided with a boss 105, and the three-jaw chuck clamps the outer periphery of the boss 105. The three-jaw chuck 10 is an existing device, and the jaws on the three-jaw chuck 10 can open or retract to clamp the boss 105. The three-jaw chuck 10 can conveniently and quickly realize the clamping and disassembly of the support base 1, effectively improving the clamping efficiency in the processing process and reducing the consumption of auxiliary time. The other end of the support base 1 is provided with a circular groove 106 coaxial with the boss 105. One end of the push rod 9 extends into the circular groove 106 and contacts the inner wall of the circular groove 106. The push rod 9 is cylindrical. The other end of the support base 1 is fixed by the push rod 9, which further enhances the stability of the fixture during processing. The push rod 9 is in close contact with the circular groove 106, which can provide reliable support force to the support base 1 in the axial direction, effectively limiting the axial movement of the support base 1 during processing. This method of coordinating fixation at both ends allows the positioning fixture suitable for the door lock frame 11 to maintain accurate positioning and stable posture under the high-speed operation of the CNC machine tool and the action of external forces such as cutting force, which greatly ensures the processing accuracy and product quality.
[0045] In summary, this utility model embodiment provides a positioning fixture suitable for a door lock frame 11, comprising: a support base 1, wherein the support base 1 is provided with a first positioning surface 101 and a second positioning surface 102 distributed opposite to each other, the first positioning surface 101 is provided with a positioning post 103, and the second positioning surface 102 is provided with a positioning hole 104; a first pressing component 2, wherein the first pressing component 2 is detachably disposed on the first positioning surface 101 for pressing and positioning the front side of the door lock frame 11 on the support base 1; and a second pressing component 3, wherein the second pressing component 3 is detachably disposed on the second positioning surface 102 for pressing and positioning the back side of the door lock frame 11 on the support base 1. In this invention, when positioning the door lock frame 11 from the front, the protruding lock hole 1101 on the door lock frame 11 can be fitted onto the positioning post 103, and then the door lock frame 11 is fixed between the first pressing component 2 and the first positioning surface 101 by the first pressing component 2. When positioning the door lock frame 11 from the back, the protruding lock hole 1101 on the door lock frame 11 can be inserted into the positioning hole 104, and then the door lock frame 11 is fixed between the second positioning surface 102 and the second pressing component 3 by the second pressing component 3. The positioning fixture for the door lock frame 11 provided by this invention can position the door lock frame 11 from both the front and back, without the need for an additional positioning fixture, reducing the production cost of the door lock frame 11, making it easier to change the positioning side of the door lock frame 11, and improving production efficiency.
[0046] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0047] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0048] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0049] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0050] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.
[0051] Of course, the above description of the embodiments of this utility model is quite detailed, but it should not be construed as a limitation on the scope of protection of this utility model. This utility model may have other various implementations. Based on this implementation, other implementations obtained by those skilled in the art without any creative effort are all within the scope of protection of this utility model. The scope of protection of this utility model is subject to the appended claims.
Claims
1. A positioning clamp suitable for door lock frames, characterized in that, include: A support base, wherein a first positioning surface and a second positioning surface are provided on the support base, the first positioning surface is provided with a positioning post, and the second positioning surface is provided with a positioning hole; A first pressing component is detachably disposed on the first positioning surface for pressing and positioning the front of the door lock frame on the support base; The second pressing assembly is detachably disposed on the second positioning surface for pressing and positioning the back of the door lock frame on the support.
2. The positioning fixture for a door lock frame according to claim 1, characterized in that, The positioning pin and the positioning hole are coaxially mounted on the support base.
3. The positioning fixture for a door lock frame according to claim 1, characterized in that, The first positioning surface is also provided with a positioning plate, which is used to abut against the inner wall of the opening side of the door lock frame.
4. The positioning fixture for a door lock frame according to claim 3, characterized in that, The positioning plate is provided with a positioning block, and the first pressing component is detachably disposed on the side of the positioning block opposite to the positioning plate.
5. The positioning fixture for a door lock frame according to claim 4, characterized in that, The first pressing component includes a first pressing block and a first screw. One end of the first screw is disposed inside the positioning block, and the first pressing block is disposed at the other end of the first screw and is spaced apart from and opposite to the positioning block.
6. The positioning clamp for a door lock frame according to claim 1, characterized in that, The second positioning surface is also provided with a positioning piece, and the second pressing component is detachably mounted on the positioning piece.
7. The positioning fixture for a door lock frame according to claim 6, characterized in that, The second pressing assembly includes a second pressing block and a second screw. One end of the second screw is disposed inside the positioning piece, and the second pressing block is disposed at the other end of the second screw and is spaced apart from and opposite to the positioning piece.
8. The positioning fixture for a door lock frame according to claim 1, characterized in that, Also includes: The third pressing assembly includes a third pressing block and a third screw. One end of the third screw is threadedly connected to the first positioning surface, and the third pressing block is disposed at the other end of the third screw and is spaced apart from and opposite to the first positioning surface.
9. The positioning fixture for a door lock frame according to claim 1, characterized in that, Also includes: The fourth pressing component includes a fourth pressing block and a fourth screw. One end of the fourth screw is threadedly connected to the second positioning surface, and the fourth pressing block is disposed at the other end of the fourth screw and is spaced apart from and opposite to the second positioning surface.
10. A positioning component, characterized in that, The device includes a positioning fixture for a door lock frame as described in any one of claims 1-9, and a push rod and a three-jaw chuck mounted on a CNC machine tool; one end of the support base is provided with a boss, and the three-jaw chuck clamps the outer periphery of the boss; the other end of the support base is provided with a circular groove coaxial with the boss, and one end of the push rod extends into the circular groove and contacts the inner wall of the circular groove.