An adaptive connection structure and a screw nut slider mechanism convenient for assembly

Abstract

The present invention discloses a screw nut slider mechanism which is convenient for assembly. The screw nut slider mechanism comprises: a base, a screw rotatably connected to the base, a nut threadedly connected to the screw, and a sliding block slidably connected to the base, wherein an adaptive connection structure is used to connect the nut and the sliding block. The screw nut slider mechanism of the present invention connects the nut and the sliding block through an adaptive connection structure. During assembly, the connecting block is first locked on the nut, and then the adaptive connection part is locked in a locking port through a locking piece to complete the connection between the nut and the sliding block. The adaptive connection structure is through an adaptive connection part arranged on the connecting block, wherein the adaptive connection part has an arc surface which can always contact the first positioning surface and the second positioning surface, so that the connecting block can rotate relative to the locking port, and the height error of the nut and the sliding block can be eliminated. The nut and the sliding block are connected as one, thereby improving the assembly efficiency and reducing the difficulty of assembly.

Description

Technical Field

[0001] The invention relates to an adaptive connection structure and also to a screw nut slider mechanism which is convenient to assemble. Background Art

[0002] In the prior art, a motor is often used to drive the screw to rotate to drive the nut on the screw to move, and the nut is connected to the slide together to drive the slide to move; during assembly, the slide and the screw nut are usually first installed on the base respectively, and then the nut and the slide are locked together using a connecting structure. Because the nut and the screw are connected by threads, when the nut and the slide are locked together with bolts, due to processing errors, the nut and the slide cannot be guaranteed to always be in the same plane or have the same height difference. After the nut and the slide are locked together by the connecting structure, the nut and the screw often cannot move smoothly or even get stuck, and skilled workers are required to reassemble by adding or removing gaskets, affecting assembly efficiency.

[0003] The present invention is proposed in view of the deficiencies in the prior art. Summary of the invention

[0004] The technical problem that after the nut and the slide are locked together through the connection structure in the above-mentioned prior art, the nut and the lead screw often cannot move smoothly is solved.

[0005] The technical solution adopted by the present invention to solve its technical problems is: an adaptive connection structure, the adaptive connection structure is used to connect component A and component B, the adaptive connection structure comprises: a connection block connected to component A, one end of the connection block is provided with an adaptive connection part, component B is provided with a locking component for locking the adaptive connection part on component B, a locking opening is provided between the locking component and component B, a first positioning surface and a second positioning surface for positioning the adaptive connection part are provided in the locking opening, the adaptive connection part is provided with an arc surface that can always contact the first positioning surface and the second positioning surface, and the locking component is provided with a locking piece for locking the adaptive connection part in the locking opening.

[0006] In the adaptive connection structure as described above, the locking assembly comprises a supporting portion connected to component B and a locking portion connected to the supporting portion, and the arc surface of the adaptive connection portion is in contact with the upper surface of component B and the bottom surface of the locking portion at the same time.

[0007] In an adaptive connection structure as described above, the locking portion is provided with a through hole A, the component B is provided with a threaded hole corresponding to the through hole A, the locking piece is a bolt threadedly connected to the threaded hole through the through hole A, the adaptive connection portion is provided with a through hole B for the bolt to pass through, and the diameter of the through hole B is larger than the diameter of the screw rod of the bolt.

[0008] In the adaptive connection structure as described above, the center line of the through hole B is eccentrically arranged relative to the center line of the arc surface.

[0009] Based on the concept of the above-mentioned adaptive connection structure, the present invention provides a screw nut slider mechanism that is easy to assemble, the screw nut slider mechanism comprising: a base, a screw rotatably connected to the base, a screw nut threadedly connected to the screw, and a sliding block slidably connected to the base, an adaptive connection structure is provided between the screw nut and the sliding block, and the adaptive connection structure comprises: a connecting block connected to the screw nut, one end of the connecting block is provided with an adaptive connection part, the sliding block is provided with a locking assembly for locking the adaptive connection part on the sliding block, a locking port is provided between the locking assembly and the sliding block, a first positioning surface and a second positioning surface for positioning the adaptive connection part are provided in the locking port, the adaptive connection part is provided with an arc surface that can always contact the first positioning surface and the second positioning surface, and the locking assembly is provided with a locking piece for locking the adaptive connection part in the locking port.

[0010] As described above, a screw nut slider mechanism is easy to assemble, wherein the locking assembly includes a supporting portion connected to the sliding block and a locking portion connected to the supporting portion, and the arc surface of the adaptive connecting portion is in contact with the upper surface of the sliding block and the bottom surface of the locking portion at the same time.

[0011] As described above, a screw nut slider mechanism that is easy to assemble is provided with a through hole A on the locking part, and a threaded hole corresponding to the through hole A is provided on the sliding block. The locking piece is a bolt that passes through the through hole A and is threadedly connected to the threaded hole. The adaptive connecting part is provided with a through hole B for the bolt to pass through, and the diameter of the through hole B is larger than the diameter of the screw rod of the bolt.

[0012] In the screw nut slider mechanism that is easy to assemble as described above, the center line of the through hole B is eccentrically arranged relative to the center line of the arc surface.

[0013] The beneficial effects of the present invention are:

[0014] 1. The screw nut slider mechanism of the present invention connects the nut and the sliding block through an adaptive connection structure. During assembly, the connection block is first locked on the nut, and then the adaptive connection part is locked in the locking port through the locking piece to complete the connection between the nut and the sliding block. The adaptive connection structure is through an adaptive connection part set on the connection block, wherein the adaptive connection part has an arc surface that can always contact the first positioning surface and the second positioning surface, so that the connection block can rotate relative to the locking port, which can eliminate the height error of the nut and the sliding block. The nut and the sliding block are connected as one, thereby improving assembly efficiency and reducing assembly difficulty.

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present invention;

[0017] Figure 2 for Figure 1 An enlarged view of the portion marked A in FIG.

[0018] Figure 3 is a top view of embodiment 1 of the present invention;

[0019] Figure 4 for Figure 3 The full cross-section diagram along the BB direction;

[0020] Figure 5 for Figure 4 An enlarged view of the portion marked C in FIG.

[0021] Figure 6 A full cross-sectional schematic diagram of Embodiment 2 of the present invention;

[0022] Figure 7 for Figure 6 Magnified view of section D marked in FIG. DETAILED DESCRIPTION

[0023] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] Embodiment 1:

[0025] like Figures 1 to 5As shown, this embodiment is introduced by applying the adaptive connection structure to the screw nut slider mechanism; an adaptive connection structure of this embodiment, the adaptive connection structure 1 is used to connect component A (equivalent to nut 4) and component B (equivalent to sliding block 5), the adaptive connection structure 1 comprises: a connection block 11 connected to component A, one end of the connection block 11 is provided with an adaptive connection part 111, component B is provided with a locking assembly 12 for locking the adaptive connection part 111 on component B, a locking port 101 is provided between the locking assembly 12 and component B, a first positioning surface 1011 and a second positioning surface 1012 for positioning the adaptive connection part 111 are provided in the locking port 101, the adaptive connection part 111 is provided with an arc surface 1110 that can always contact the first positioning surface 1011 and the second positioning surface 1012, and the locking assembly 12 is provided with a locking piece 13 for locking the adaptive connection part 111 in the locking port 101. The adaptive connection structure of the present invention is provided with an adaptive connection part on the connection block, wherein the adaptive connection part has an arc surface that can always contact the first positioning surface and the second positioning surface, so that the connection block can rotate relative to the locking mouth, and the height error of component A (equivalent to nut 4) and component B (equivalent to sliding block 5) can be eliminated to connect component A (equivalent to nut 4) and component B (equivalent to sliding block 5) into one.

[0026] In this embodiment, the locking assembly 12 includes a supporting portion 121 connected to component B and a locking portion 122 connected to the supporting portion 121 , and the arc surface 1110 of the adaptive connecting portion 111 contacts the upper surface of component B and the bottom surface of the locking portion 122 at the same time.

[0027] In this embodiment, in order to facilitate locking the adaptive connection part 111 in the locking port 101, a through hole A1221 is provided on the locking part 122, and a threaded hole 51 corresponding to the through hole A1221 is provided on the component B. The locking piece 13 is a bolt that passes through the through hole A1221 and is threadedly connected to the threaded hole 51. The adaptive connection part 111 is provided with a through hole B1111 for the bolt to pass through, and the diameter of the through hole B1111 is larger than the diameter of the screw rod of the bolt.

[0028] In order to ensure that both the adaptive connecting portion 111 and the supporting portion 121 can be normally stressed and improve stability, the center line of the through hole B1111 is eccentrically arranged relative to the center line of the arc surface 1110 .

[0029] A screw nut slider mechanism that is easy to assemble in this embodiment comprises: a base 2, a screw 3 rotatably connected to the base 2, a screw nut 4 threadedly connected to the screw, and a sliding block 5 slidably connected to the base 2, an adaptive connection structure 1 is provided between the screw nut 4 and the sliding block 5, and the adaptive connection structure 1 comprises: a connecting block 11 connected to the screw nut 4, an adaptive connection portion 111 is provided at one end of the connecting block 11, a locking assembly 12 for locking the adaptive connection portion 111 on the sliding block 5 is provided on the sliding block 5, a locking port 101 is provided between the locking assembly 12 and the sliding block 5, a first positioning surface 1011 and a second positioning surface 1012 for positioning the adaptive connection portion 111 are provided in the locking port 101, an arc surface 1110 that can always contact the first positioning surface 1011 and the second positioning surface 1012 is provided on the adaptive connection portion 111, and a locking piece 13 for locking the adaptive connection portion 111 in the locking port 101 is provided on the locking assembly 12. The screw nut slider mechanism of the present invention connects the nut and the sliding block through an adaptive connection structure. During assembly, the connection block is first locked on the nut, and then the adaptive connection part is locked in the locking port through a locking piece to complete the connection between the nut and the sliding block. The adaptive connection structure is through an adaptive connection part set on the connection block, wherein the adaptive connection part has an arc surface that can always contact the first positioning surface and the second positioning surface, so that the connection block can rotate relative to the locking port, which can eliminate the height error of the nut and the sliding block. The nut and the sliding block are connected as one, thereby improving assembly efficiency and reducing assembly difficulty.

[0030] In this embodiment, the locking assembly 12 includes a supporting portion 121 connected to the sliding block 5 and a locking portion 122 connected to the supporting portion 121 , and the arc surface 1110 of the adaptive connecting portion 111 contacts the upper surface of the sliding block 5 and the bottom surface of the locking portion 122 at the same time.

[0031] In this embodiment, in order to facilitate locking the adaptive connection part 111 in the locking port 101, a through hole A1221 is provided on the locking part 122, and a threaded hole 51 corresponding to the through hole A1221 is provided on the sliding block 5. The locking piece 13 is a bolt that passes through the through hole A1221 and is threadedly connected to the threaded hole 51. The adaptive connection part 111 is provided with a through hole B1111 for the bolt to pass through, and the diameter of the through hole B1111 is larger than the diameter of the screw rod of the bolt.

[0032] In order to ensure that the adaptive connecting portion 111 and the supporting portion 121 can both be normally stressed and improve stability, the center line of the through hole B1111 is eccentrically arranged relative to the center line of the arc surface 1110 .

[0033] Embodiment 2:

[0034] like Figure 6 and Figure 7 As shown, the difference between this embodiment and embodiment 1 is that the locking piece 13 of this embodiment does not pass through the adaptive connection part 111, but passes through the middle of the locking part 122, so that the adaptive connection part 111 and the supporting part 121 can both bear the force normally, thereby improving stability.

[0035] The above examples are only used to further illustrate the technical content of the present invention, so that readers can understand it more easily, but they do not mean that the implementation of the present invention is limited to this. Any technical extension or re-creation made according to the present invention is protected by the present invention. The protection scope of the present invention shall be subject to the claims.

Claims

1. An adaptive connection structure, characterized in that: The adaptive connection structure (1) is used to connect component A and component B. The adaptive connection structure (1) comprises: a connection block (11) connected to component A, one end of the connection block (11) is provided with an adaptive connection part (111), component B is provided with a locking assembly (12) for locking the adaptive connection part (111) on component B, a locking opening (101) is provided between the locking assembly (12) and component B, a first positioning surface (1011) and a second positioning surface (1012) for positioning the adaptive connection part (111) are provided in the locking opening (101), the first positioning surface (1011) and the second positioning surface (1012) are parallel, the adaptive connection part (111) is provided with an arc surface (1110) that can always contact the first positioning surface (1011) and the second positioning surface (1012), and the locking assembly (12) is provided with a locking piece (13) for locking the adaptive connection part (111) in the locking opening (101); The locking assembly (12) comprises a supporting portion (121) connected to component B and a locking portion (122) connected to the supporting portion (121); the bottom surface of the locking portion (122) is the first positioning surface (1011), and the upper surface of component B is the second positioning surface (1012); The locking portion (122) is provided with a through hole A (1221), the component B is provided with a threaded hole (51) corresponding to the through hole A (1221), the locking member (13) is a bolt passing through the through hole A (1221) and threadedly connected to the threaded hole (51), the adaptive connecting portion (111) is provided with a through hole B (1111) for the bolt to pass through, and the diameter of the through hole B (1111) is greater than the diameter of the screw rod of the bolt; The center line of the through hole B (1111) is eccentrically arranged relative to the center line of the curved surface (1110).

2. A screw nut slider mechanism that is easy to assemble, the screw nut slider mechanism comprising: A base (2), a lead screw (3) rotatably connected to the base (2), a lead screw nut (4) threadedly connected to the lead screw, and a sliding block (5) slidably connected to the base (2), characterized in that an adaptive connection structure (1) is provided between the lead screw nut (4) and the sliding block (5), and the adaptive connection structure (1) comprises: a connecting block (11) connected to the lead screw nut (4), one end of the connecting block (11) is provided with an adaptive connection part (111), the sliding block (5) is provided with a locking component (12) for locking the adaptive connection part (111) on the sliding block (5), and the locking component (12) is provided on the sliding block (5) A locking opening (101) is provided between the assembly (12) and the sliding block (5); a first positioning surface (1011) and a second positioning surface (1012) for positioning the adaptive connecting portion (111) are provided in the locking opening (101); the first positioning surface (1011) and the second positioning surface (1012) are parallel; an arc surface (1110) which can always contact the first positioning surface (1011) and the second positioning surface (1012) is provided on the adaptive connecting portion (111); and a locking member (13) for locking the adaptive connecting portion (111) in the locking opening (101) is provided on the locking assembly (12); The locking assembly (12) comprises a supporting portion (121) connected to the sliding block (5) and a locking portion (122) connected to the supporting portion (121); the bottom surface of the locking portion (122) is the first positioning surface (1011), and the top surface of the sliding block (5) is the second positioning surface (1012); The locking portion (122) is provided with a through hole A (1221), the sliding block (5) is provided with a threaded hole (51) corresponding to the through hole A (1221), the locking member (13) is a bolt passing through the through hole A (1221) and threadedly connected to the threaded hole (51), the adaptive connecting portion (111) is provided with a through hole B (1111) for the bolt to pass through, and the diameter of the through hole B (1111) is larger than the diameter of the screw rod of the bolt; The center line of the through hole B (1111) is eccentrically arranged relative to the center line of the curved surface (1110).

Images