Hidden type self-adaptive tensioning device

Abstract

The utility model discloses a hidden type self-adaptive tensioning device which comprises a base, a transmission fixing seat, an adjusting bolt, an adjusting spring, an adjusting nut and a clamping piece. The base is provided with a cavity, the clamping piece is connected into the base, the adjusting bolt and the adjusting nut are connected and arranged in the cavity together, and the adjusting bolt penetrates through the adjusting nut to be connected with the clamping piece. The transmission fixing seat is provided with an access hole, the adjusting bolt is connected with the access hole in a penetrating mode, the adjusting spring is connected to the adjusting bolt in a sleeved mode, and the two ends of the adjusting spring abut against the adjusting nut and the transmission fixing seat respectively so that the position of the transmission fixing seat can be adjusted through the adjusting spring. The device has the advantages of simple structure, compact matching, reasonable design and the like; therefore, the device is a product with excellent technical and economical performance.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to a kind of hidden self-adapting tensioner. BACKGROUND

[0002] In order to ensure the stability and smoothness of sliding door in sliding process, tensioner is usually set. Tensioner is used to drive transmission belt to move to adjust the tightness of transmission belt, so as to ensure the good movement of sliding door.

[0003] Common tensioner includes adjusting bolt and transmission wheel, wherein transmission wheel is used to hang transmission belt, and rotating adjusting bolt can change the position of transmission wheel, so as to control the tightness of transmission belt. However, the current tensioner lacks resilience, so it can only be adjusted slowly by artificial, which is troublesome to install, time-consuming and not conducive to on-site rapid installation. In view of this, a new tensioner scheme is proposed. UTILITY MODEL CONTENTS

[0004] To solve at least one of the above problems, the utility model provides a new structure scheme, and the hidden self-adapting tensioner adopts the following technical scheme:

[0005] A kind of hidden self-adapting tensioner, it includes base, transmission fixed base, adjusting bolt, adjusting spring, adjusting nut, clamping part;

[0006] The base is provided with cavity, the clamping part is accessed to the base, the adjusting bolt is connected with the adjusting nut and is placed in the cavity, and the adjusting bolt is connected with the clamping part by passing through the adjusting nut;

[0007] Transmission fixed base is provided with access hole, adjusting bolt passes through the access hole, adjusting spring is sleeved on adjusting bolt, and the both ends of adjusting spring are respectively abutted with adjusting nut and transmission fixed base, so as to adjust the position of transmission fixed base by adjusting spring.

[0008] Preferably, the top end of the cavity is open, and the transmission fixed base connected with the adjusting bolt covers the open top end of the cavity.

[0009] Preferably, the cross section of the cavity and the cross section of the adjusting nut are both square, and the cross section size of the adjusting nut corresponds to the cross section size of the cavity to limit the rotation of the adjusting nut in the cavity.

[0010] Preferably, the transmission fixed base includes joint part and baffle part, the joint part is located at one end of the baffle part, the access hole is arranged in the joint part, and the access hole penetrates through the joint part.

[0011] Preferably, the joint part is arranged at the bottom end of the baffle part, and the top end of the baffle part is provided with a follow-up wheel.

[0012] Preferably, the joint part and the follower wheel are arranged at the same end of the transmission fixed base, and the other end of the transmission fixed base is provided with a strip-shaped slot.

[0013] Preferably, the base is screwed with a positioning screw, and the positioning screw is threaded in the strip-shaped slot.

[0014] Preferably, the cavity extends inwardly to a clamping edge, a slot is arranged between the baffle part and the joint part, and the clamping edge is connected with the slot to guide the movement of the transmission fixed base.

[0015] Preferably, the end of the base vertically extends a stopper.

[0016] Preferably, the base is provided with an inner hole, the inner hole is communicated with the cavity, the base is provided with a clamping hole, the clamping hole is communicated with the inner hole, the end of the adjusting bolt is provided with a ring groove, the end of the adjusting bolt is inserted into the inner hole so that the ring groove is arranged in the inner hole, and the clamping part is screwed in the clamping hole to abut against the ring groove.

[0017] Compared with the background art, the utility model has the beneficial effects that:

[0018] In the structure, the adjusting bolt and other components are hidden in the base, the whole is better in appearance, and the components can be protected by the base; the position of the transmission fixed base can be adjusted by rotating the adjusting bolt and using the spring, so that the overall length of the hidden self-adapting tensioning device is changed. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 The hidden self-adapting tensioning device provided in the preferred embodiment of the utility model is shown in the schematic view.

[0020] Fig. 2 The first disassembled state of the hidden self-adapting tensioning device provided in the preferred embodiment of the utility model is shown in the schematic view.

[0021] Fig. 3 The second disassembled state of the hidden self-adapting tensioning device provided in the preferred embodiment of the utility model is shown in the schematic view. DETAILED DESCRIPTION

[0022] The embodiments of the utility model are described in detail below, and the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions.

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "assembly," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can also refer to a mechanical connection; they can refer to a direct connection or a connection through an intermediate medium; or they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0025] The preferred embodiment provided by this utility model is as follows: Figs. 1-3 As shown, a concealed adaptive tensioning device includes a base 1, a transmission fixing seat 2, an adjusting bolt 3, an adjusting spring 4, an adjusting nut 5, and a locking component 6; a stop 18 extends vertically from the end of the base 1, and the stop 18 abuts against the edge of the guide rail to prevent the base from sliding into the guide rail.

[0026] The base 1 has a cavity 11. The locking member 6 is connected to the base 1. The adjusting bolt 3 is connected to the adjusting nut 5 and placed together in the cavity 11. The adjusting bolt 3 passes through the adjusting nut 5 and is connected to the locking member 6. Furthermore, the base 1 has an inner hole 16, which communicates with the cavity 11. The base 1 also has a locking hole 17, which is perpendicular to the inner hole and communicates with the inner hole 16. The end of the adjusting bolt 3 has an annular groove 31. The end of the adjusting bolt 3 extends into the inner hole 16 so that the annular groove 31 is placed in the inner hole 16. The locking member 6 is screwed into the locking hole 17 to abut against the annular groove 31.

[0027] A retaining edge 12 extends inward from the cavity 11. A channel 23 is provided between the baffle portion 22 and the connector portion 21. The retaining edge 12 connects with the channel 23 to guide the movement of the transmission fixed seat 2. The cross-section of the cavity 11 and the cross-section of the adjusting nut 5 are both square, and the cross-sectional dimensions of the adjusting nut 5 correspond to the cross-sectional dimensions of the cavity 11 to restrict the rotation of the adjusting nut 5 within the cavity 11.

[0028] The transmission fixing seat 2 is provided with an access hole 24. The adjusting bolt 3 passes through the access hole 24. The adjusting spring 4 is sleeved on the adjusting bolt 3. The two ends of the adjusting spring 4 abut against the adjusting nut 5 and the transmission fixing seat 2 respectively, so as to adjust the position of the transmission fixing seat 2 by adjusting the adjusting spring 4.

[0029] The transmission fixing base 2 comprises a joint part 21 and a baffle part 22, the joint part 21 is located at one end of the baffle part 22, an access hole 24 is arranged on the joint part 21, and the access hole 24 penetrates through the joint part 21. The top end of the cavity 11 is open, the transmission fixing base 2 connected with the adjusting bolt 3 covers the open top end of the cavity 11 through the baffle part 22, hides the adjusting bolt 3 and other components, and the overall appearance is better, and the components can be protected by the base 1. The joint part 21 is arranged at the bottom end of the baffle part 22, and the top end of the baffle part 22 is provided with a follower wheel 25; the joint part 21 and the follower wheel 25 are arranged at the same end of the transmission fixing base 2, and the other end of the transmission fixing base 2 is provided with a strip-shaped groove 26. The base 1 is screwed with a positioning screw 13, the base is correspondingly provided with a hole position for connecting the positioning screw, and the positioning screw 13 penetrates through the strip-shaped groove 26.

[0030] The bottom of the base 1 is provided with a locking groove 14, the bottom end of the locking groove 14 is open, a screw is inserted into the locking groove 14, and the screw is abutted with a guide rail from the open bottom end of the locking groove 14, so as to fix the position of the hidden self-adaptive tensioning device. The base 1 is further provided with an outer clamping edge 15, and the base 1 is inserted into the guide rail through the outer clamping edge 15.

[0031] The clamping part 6 adopts a locking screw, the clamping part 6 is screwed into the ring groove 31, and due to the limitation of the clamping part 6, the adjusting bolt 3 can only rotate in the cavity 11 and cannot be taken out of the cavity; meanwhile, the adjusting bolt 3 is screwed with the adjusting nut 5, the adjusting nut 5 is limited by the wall of the cavity 11 and cannot rotate, so when the adjusting bolt 3 rotates, the adjusting nut 5 will move along the adjusting bolt 3. The two ends of the adjusting spring 4 are abutted with the adjusting nut 5 and the joint part 21 respectively, with the movement of the adjusting nut 5, the adjusting spring 4 will be deformed, so as to push the transmission fixing base 2 to move and change the overall length of the hidden self-adaptive tensioning device. The positioning screw 13 is connected with the strip-shaped groove 26, and the movement range of the transmission fixing base 2 is limited.

[0032] In the description of the specification, the description of the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model, and the illustrative description of the above terms in the specification does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] Through the above description of the structure and principle, those skilled in the art should understand that the utility model is not limited to the above-mentioned specific embodiments, and improvements and replacements of the technology known in the art on the basis of the utility model all fall within the protection scope of the utility model, which should be limited by the claims.

Claims

1. A concealed adaptive tensioning device, characterized in that: It includes a base, a transmission fixing seat, adjusting bolts, adjusting springs, adjusting nuts, and locking components; The base has a cavity, the locking piece is connected to the base, the adjusting bolt and the adjusting nut are connected and placed together in the cavity, and the adjusting bolt passes through the adjusting nut and is connected to the locking piece; The transmission mounting base is provided with an access hole, through which the adjusting bolt passes. An adjusting spring is sleeved on the adjusting bolt, and the two ends of the adjusting spring abut against the adjusting nut and the transmission mounting base respectively, so as to adjust the position of the transmission mounting base by adjusting the spring.

2. The concealed adaptive tensioning device according to claim 1, characterized in that: The top of the cavity is open, and the transmission fixing seat connected to the adjusting bolt seals the open top of the cavity.

3. The concealed adaptive tensioning device according to claim 1, characterized in that: Both the cross-section of the cavity and the cross-section of the adjusting nut are square, and the cross-sectional dimensions of the adjusting nut correspond to the cross-sectional dimensions of the cavity to restrict the rotation of the adjusting nut within the cavity.

4. The concealed adaptive tensioning device according to claim 1, characterized in that: The transmission mounting base includes a connector part and a baffle part. The connector part is located at one end of the baffle part, and the access hole is located in the connector part and passes through the connector part.

5. A concealed adaptive tensioning device according to claim 4, characterized in that: The connector is located at the bottom of the baffle, and the top of the baffle is equipped with a follower wheel.

6. A concealed adaptive tensioning device according to claim 5, characterized in that: The joint and the follower wheel are located at the same end of the transmission fixed seat, and the other end of the transmission fixed seat is provided with a strip groove.

7. A concealed adaptive tensioning device according to claim 6, characterized in that: The base is screwed with a positioning screw, and the positioning screw passes through the strip groove.

8. A concealed adaptive tensioning device according to claim 4, characterized in that: The cavity extends inward to form a retaining edge, and a channel is provided between the baffle part and the joint part. The retaining edge connects with the channel to guide the movement of the transmission fixed seat.

9. A concealed adaptive tensioning device according to claim 1, characterized in that: A stop block extends vertically from the end of the base.

10. A concealed adaptive tensioning device according to claim 1, characterized in that: The base has an inner hole that communicates with the cavity, and the base has a locking hole that communicates with the inner hole; the end of the adjusting bolt has an annular groove, and the end of the adjusting bolt extends into the inner hole so that the annular groove is placed in the inner hole, and the locking piece is screwed into the locking hole to abut against the annular groove.

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