Counter-force spring convenient to replace

Abstract

The utility model discloses a counterforce spring convenient to replace, which comprises a main body part, presser feet are detachably mounted at two ends of the main body part, a fixing ring is rotatably connected onto the presser feet, a butt joint ring is fixedly connected onto the main body part, and the fixing ring and the butt joint ring can be matched for use, so that the main body part and the presser feet can be detachably assembled and disassembled. A fixing ring is arranged on the main body part, a fixing groove is formed in the fixing ring, a connecting column is fixedly connected in the fixing groove, a butt joint groove is formed in the main body part, and after the connecting column is inserted into the butt joint groove, the detachable connection between the main body part and the presser foot can be realized through the matched use of the fixing ring and the butt joint ring; when the presser foot and the main body part are installed, other damaged parts can be replaced in a disassembly and replacement mode, so that the cost is saved, and under the matched use of the butt joint groove, the connecting column, the positioning groove, the positioning block and other structures, the presser foot and the main body part can be stably installed without deviation during installation, and the replacement efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring technical field, concretely is a kind of counterforce spring convenient to replace. BACKGROUND

[0002] Counterforce spring is a kind of mechanical spring that can produce counterforce, can be deformed under stress, and can restore original shape, counterforce spring can be divided into many kinds according to use scene and functional shape, one of which is the spring that the middle small main body and two large feet are composed, two large heads are feet, such spring is deformed between the foot and the middle main body part when being used, because foot is force contact end, it will cause the performance of entire spring to be affected, if entire replacement will cause unnecessary waste. SUMMARY

[0003] The utility model discloses a kind of counterforce spring convenient to replace, to solve the problem raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of counterforce spring convenient to replace, including main body part, the both ends of the main body part are detachably installed with foot, the fixed ring is rotatably connected on the foot, the main body part is fixedly connected with the butt joint ring, the fixed ring and butt joint ring can be used in cooperation, so that the detachable disassembly between main body part and foot is realized.

[0005] As a preferred scheme of the utility model, the fixed groove is set in the fixed ring, the connecting column is fixedly connected in the fixed groove, the butt joint groove is set in the main body part, after the connecting column is inserted into butt joint groove, the positioning between main body part and foot can be realized by the cooperation of connecting column and butt joint groove.

[0006] As a preferred scheme of the utility model, the positioning groove is set in the butt joint groove, the positioning block that can be cooperated with positioning groove is fixedly connected on the connecting column, the direction of main body part and foot can be calibrated when being installed by the positioning block being inserted into positioning groove.

[0007] As a preferred scheme of the utility model, the internal thread is set in the fixed groove, the external thread is set on the butt joint ring, the cooperation of internal thread and external thread can realize the attachment and disassembly between fixed ring and butt joint ring.

[0008] As a preferred scheme of the utility model, the anti-slip pattern is fixedly connected on the fixed ring.

[0009] Compared with the prior art, the utility model discloses the beneficial effect is: the utility model discloses the cooperation of the fixed ring and the butt joint ring of setting can realize the detachable connection between main part and the presser foot, when the presser foot and main part deformation, can through the replacement of the mode of disassembly, replace other broken part, thereby save the cost, and the cooperation of the butt joint groove, connecting column, positioning groove and locating block etc. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the perspective drawing of the utility model;

[0011] Figure 2 It is the main part and the presser foot dismounting structure schematic view of the utility model;

[0012] Figure 3 It is the main part and the presser foot dismounting structure schematic view of the utility model; Figure 2 It is the enlarged structure schematic view of A place in middle;

[0013] Figure 4 It is the enlarged structure schematic view of B place in middle. Figure 2

[0014] In the drawing: 1, main part;2, presser foot;3, butt joint ring;4, butt joint groove;5, positioning groove;6, antiskid line;7, fixed groove;8, connecting column;9, locating block;10, fixed ring. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0016] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: a kind of reverse force spring convenient to replace, the both ends of main part 1 are detachably installed with presser foot 2, the size of presser foot 2 is greater than the size of main part 1, fixed ring 10 is rotatably connected on presser foot 2, butt joint ring 3 is fixedly connected on main part 1, fixed ring 10 and butt joint ring 3 can be used in cooperation, rotating fixed ring 10 can be fixed between fixed ring 10 and butt joint ring 3, so as to realize the loading and unloading between main part 1 and presser foot 2.

[0017] ​The fixed groove 7 is arranged in the fixed ring 10, the connecting column 8 is fixedly connected in the fixed groove 7, the butt joint groove 4 is arranged in the main body 1, the connecting column 8 is inserted into the butt joint groove 4, and the connecting column 8 and the butt joint groove 4 can be arranged in an arc shape, so that the connecting column 8 and the butt joint groove 4 are convenient to connect, and the positioning between the main body 1 and the presser foot 2 can be realized.

[0018] The positioning groove 5 is arranged in the butt joint groove 4, the positioning block 9 that can be matched with the positioning groove 5 is fixedly connected on the connecting column 8, the positioning groove 5 and the positioning block 9 are square, so that when the connecting column 8 is inserted into the butt joint groove 4, the presser foot 2 cannot be deviated from the main body 1 through the positioning groove 5 and the positioning block 9, and the direction alignment during installation between the main body 1 and the presser foot 2 can be realized.

[0019] The inner thread is arranged in the fixed groove 7, the outer thread is arranged on the butt joint ring 3, the inner thread and the outer thread are matched, the fixed ring 10 and the butt joint ring 3 can be attached and detached.

[0020] The anti-skid line 6 is fixedly connected on the fixed ring 10, so that the user can twist the fixed ring 10, and the friction force is increased.

[0021] Specifically, when the main body 1 or the presser foot 2 is deformed, the butt joint ring 3 can be separated from the fixed groove 7 by twisting the fixed ring 10, the connecting column 8 is separated from the butt joint groove 4, and the positioning block 9 is separated from the positioning groove 5 at the same time, so that the main body 1 and the presser foot 2 can be detached, and vice versa, the new main body 1 or the presser foot 2 can be installed by reverse operation.

[0022] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as a limitation on the utility model.

[0023] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0024] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0025] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A counterforce spring for easy replacement, comprising a body portion (1), characterized in that: Both ends of the main body (1) are detachably mounted with a presser foot (2), the presser foot (2) is rotatably connected with a fixing ring (10), the main body (1) is fixedly connected with a butt joint ring (3), the fixing ring (10) and the butt joint ring (3) can be used in cooperation, so that the main body (1) and the presser foot (2) are detachably mounted and dismounted.

2. A counterforce spring for ease of replacement according to claim 1, wherein: The fixing ring (10) is provided with a fixing groove (7), the fixing groove (7) is fixedly connected with a connecting column (8), the main body (1) is provided with a butt joint groove (4), after the connecting column (8) is inserted into the butt joint groove (4), the main body (1) and the presser foot (2) can be positioned through the cooperation of the connecting column (8) and the butt joint groove (4).

3. A replacement-ready counterforce spring according to claim 2, wherein: The butt joint groove (4) is provided with a positioning groove (5), the connecting column (8) is fixedly connected with a positioning block (9) which can cooperate with the positioning groove (5), through the insertion of the positioning block (9) into the positioning groove (5), the direction of the main body (1) and the presser foot (2) can be calibrated when being mounted.

4. A replacement-ready counterforce spring according to claim 2, wherein: The fixing groove (7) is provided with an internal thread, the butt joint ring (3) is provided with an external thread, the cooperation of the internal thread and the external thread can realize the mounting and dismounting of the fixing ring (10) and the butt joint ring (3).

5. A replacement-ready counterforce spring according to claim 1, wherein: The fixing ring (10) is fixedly connected with an anti-skid line (6).

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