Impeller screw fixing jig

Abstract

The utility model discloses an impeller screw fixing jig which comprises a fixing mechanism and an impeller, the fixing mechanism comprises a base, a guide groove formed in the side wall of the base and an insertion plate moving along the guide groove, the side wall of the insertion plate is provided with an insertion head inserted into a gap between blades of the impeller, and the side wall of the impeller is provided with a machine shell. The machine shell is supported through the base, the impeller is matched with the machine shell, the insertion plate is limited and guided through the guide groove, movement of the insertion plate is facilitated, the insertion block is pushed through the spring in the sliding groove to enable the insertion head to be inserted into the blade gap of the impeller, the impeller is kept stable, and then screw driving operation can be conducted. Accidental injury caused by rotation of the impeller during screwing is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of impeller assembly, in particular to an impeller screw fixing fixture. Background Art

[0002] When the impeller is assembled with the casing, screws need to be tightened on the impeller shaft. However, when tightening the screws, the impeller lacks a fixing device and will rotate rapidly, which may cause accidental injury to the hand.

[0003] The present application designs an impeller screw fixing fixture, which pushes the plug block through a spring and inserts the plug of the plug block between the blade gaps of the impeller to prevent the impeller from rotating. There is no need to hold the impeller by hand, and the impeller is stable and will not rotate when screwing, thereby avoiding accidental injuries to the hand. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above-mentioned problems and / or problems existing in the use of the impeller screw fixing fixture, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide an impeller screw fixing jig, which supports the casing through the base, matches the impeller with the casing, and limits and guides the plug plate through the guide groove to facilitate the movement of the plug plate. The plug block is pushed through the spring inside the slide groove to insert the plug into the gap between the impeller blades, keeping the impeller stable so that the screw driving operation can be carried out to avoid accidental injury caused by the impeller rotating during screw driving.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] An impeller screw fixing jig, comprising:

[0009] A fixing mechanism, the fixing mechanism comprising a base, a guide groove arranged on a side wall of the base, and a plug plate moving along the guide groove, wherein a plug is arranged on a side wall of the plug plate for inserting into a gap between impeller blades;

[0010] An impeller, wherein a casing is arranged on a side wall of the impeller, and the casing is arranged on the top of the base.

[0011] As a preferred solution of the impeller screw fixing fixture described in the utility model, the side wall of the guide groove is provided with a fastening screw, and the fastening screw is fixedly connected to the side wall of the base.

[0012] As a preferred solution of the impeller screw fixing fixture described in the utility model, a limiting plate is provided on the top of the guide groove, and a side wall of the limiting plate is provided with a fastening bolt fixedly connected to the side wall of the guide groove.

[0013] As a preferred solution of the impeller screw fixing fixture described in the utility model, a slide groove is arranged inside the guide groove, and a spring is arranged inside the slide groove.

[0014] As a preferred solution of the impeller screw fixing fixture described in the utility model, a sliding block extending into the sliding groove is provided at the bottom of the plug plate, and the side wall of the sliding block is fixedly connected to one end of the spring.

[0015] As a preferred solution of the impeller screw fixing fixture described in the utility model, a limit block is provided on the side wall of the plug plate, and the limit block is lower than the bottom of the guide groove.

[0016] As a preferred solution of the impeller screw fixing fixture described in the utility model, a slot is reserved between the plugs, and the blades of the impeller are inserted into the slot.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the impeller screw fixing fixture supports the casing through the base, matches the impeller with the casing, and limits and guides the plug plate through the guide groove to facilitate the movement of the plug plate. The plug block is pushed through the spring inside the slide groove to insert the plug between the blade gaps of the impeller, keeping the impeller stable so that the screw driving operation can be carried out, avoiding accidental injury caused by the impeller rotating during screw driving. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of an impeller screw fixing fixture of the utility model;

[0020] Figure 2 This is a schematic diagram of the exploded structure of an impeller screw fixing fixture of the utility model;

[0021] Figure 3 This is a schematic diagram of the exploded structure of an impeller screw fixing fixture of the utility model;

[0022] Figure 4 This is a schematic diagram of the exploded structure of an impeller screw fixing fixture of the utility model;

[0023] Figure 5 The utility model is a schematic diagram of the exploded structure of the impeller screw fixing fixture.

[0024] 100, fixing mechanism; 110, base; 120, guide groove; 121, limit plate; 122, slide groove; 123, spring; 130, plug plate; 131, plug; 132, slot; 133, limit block; 134, slider; 200, impeller; 210, casing. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0026] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention in detail, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged at a general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0027] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] The utility model provides an impeller screw fixing jig, which supports the casing through a base, matches the impeller with the casing, and limits and guides the plug plate through a guide groove to facilitate the movement of the plug plate. The plug block is pushed by a spring inside the slide groove to insert the plug into the gap between the blades of the impeller, so that the impeller is kept stable and the screwing operation can be carried out to avoid accidental injury caused by the rotation of the impeller during screwing.

[0029] Figure 1-Figure 5 The structure diagram of an impeller screw fixing fixture of the utility model is shown. Figure 1-Figure 5 In this embodiment, an impeller screw fixing fixture is provided, and its main body includes a fixing mechanism 100 and an impeller 200.

[0030] The fixing mechanism 100 supports the casing 210 through the base 110, matches the impeller 200 with the casing 210, limits and guides the plug plate 130 through the guide groove 120, facilitates the movement of the plug plate 130, and pushes the plug block to insert the plug 131 into the gap between the blades of the impeller 200 through the spring 123 inside the slide groove 122 to keep the impeller 200 stable. Specifically, the fixing mechanism 100 includes a base 110, a guide groove 120 arranged on the side wall of the base 110, and a plug plate 130 moving along the guide groove 120. The side wall of the plug plate 130 is provided with a plug 131 inserted into the gap between the blades of the impeller 200. In this embodiment, the side wall of the guide groove 120 is provided with a fastening screw, which is fixed to the base. 110 side wall is fixedly connected, in this embodiment, the top of the guide groove 120 is provided with a limit plate 121, the side wall of the limit plate 121 is provided with a fastening bolt fixedly connected with the side wall of the guide groove 120, the inside of the guide groove 120 is provided with a slide groove 122, the inside of the slide groove 122 is provided with a spring 123, the bottom of the plug 130 is provided with a slider 134 extending into the inside of the slide groove 122, the side wall of the slider 134 is fixedly connected with one end of the spring 123, the side wall of the plug 130 is provided with a limit block 133, the limit block 133 is lower than the bottom of the guide groove 120, a slot 132 is reserved between the plugs 131, and the blades of the impeller 200 are inserted into the inside of the slot 132;

[0031] A housing 210 is disposed on a side wall of the impeller 200 , and the housing 210 is disposed on the top of the base 110 .

[0032] Combination Figure 1-Figure 5 The present embodiment is a fixture for fixing the impeller 200 with screws. The specific use process is as follows: the casing 210 is supported by the base 110, the impeller 200 is matched with the casing 210, the plug plate 130 is limited and guided by the guide groove 120 to facilitate the movement of the plug plate 130, and the plug block is pushed through the spring 123 inside the slide groove 122 to insert the plug 131 between the blade gaps of the impeller 200, so as to keep the impeller 200 stable and perform the screwing operation to avoid accidental injury caused by the rotation of the impeller 200 during screwing.

[0033] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A fixture for fixing impeller screws, characterized in that: include: A fixing mechanism (100), the fixing mechanism (100) comprising a base (110), a guide groove (120) arranged on a side wall of the base (110), and a plug plate (130) moving along the guide groove (120), wherein the side wall of the plug plate (130) is provided with a plug (131) inserted into a gap between blades of an impeller (200); An impeller (200), wherein a housing (210) is disposed on a side wall of the impeller (200), and the housing (210) is disposed on the top of the base (110).

2. The impeller (200) screw fixing jig according to claim 1, characterized in that: The side wall of the guide groove (120) is provided with a fastening screw, and the fastening screw is fixedly connected to the side wall of the base (110).

3. The impeller (200) screw fixing jig according to claim 2, characterized in that: A limiting plate (121) is provided at the top of the guide groove (120), and a side wall of the limiting plate (121) is provided with a fastening bolt fixedly connected to the side wall of the guide groove (120).

4. The impeller (200) screw fixing jig according to claim 3, characterized in that: A sliding groove (122) is arranged inside the guide groove (120), and a spring (123) is arranged inside the sliding groove (122).

5. The impeller (200) screw fixing jig according to claim 4, characterized in that: A sliding block (134) extending into the sliding groove (122) is provided at the bottom of the plug plate (130), and a side wall of the sliding block (134) is fixedly connected to one end of the spring (123).

6. The impeller (200) screw fixing jig according to claim 5, characterized in that: A limit block (133) is provided on the side wall of the inserting plate (130), and the limit block (133) is lower than the bottom of the guide groove (120).

7. The impeller (200) screw fixing jig according to claim 6, characterized in that: A slot (132) is reserved between the plugs (131), and the blades of the impeller (200) are inserted into the slot (132).

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