Small space in-box nut and outer-box screw quick fastening and installation fixture
An inner nut, small space technology, applied in the direction of hand-held tools, manufacturing tools, etc., can solve the problems of increasing the production cost of the fixture, slowing down the installation progress, and high production costs, improving assembly quality and production efficiency, and preventing secondary falls. The effect of falling and high installation success rate
Active Publication Date: 2019-03-19
SHAANXI BAOCHENG AVIATION INSTR
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- Description
- Claims
- Application Information
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Problems solved by technology
The disadvantages of this method are: 1) You must master certain skills, and the operation is difficult, that is, the two hands must cooperate with each other in the process of slowly pulling the wooden stick (or iron stick) out of the box. It is easy to slip and cause the flat gasket 6, spring gasket 5, and nut 4 to fall into the box, resulting in installation failure; 2) When returning the wooden stick (or iron stick), it is very easy to cause the nuts and nuts that were originally aligned coaxially. Secondary sliding displacement occurs between the through holes of the box, which leads to the failure of the positioning of the nut and the through hole, which affects the accurate positioning and coordination of the inside and outside screws and nuts in the box, resulting in the need to reposition the nut in the box; The positioning of the screw holes is accurate. Before the screws outside the box are rotated to cooperate with the installation, the fingertips must continue to press the nut 4, the spring washer 5, and the flat washer 6, and the process is quite laborious.
But the defective of making " L " type sleeve to be used for fastening mounting screw and nut is: 1) the efficiency of positioning and assembly is still low; However, the flat washer 6 and the spring washer 5 cannot be clamped or set, which leads to the fact that the flat washer and the spring washer 5 still need to be pre-installed before the nut and the screw are screwed and fastened. One by one is on the screw rod of the screw, but the screw that usually passes through the fixing hole of the box body and extends into the box body has a limited effective screwing length. Before the nut 4 is tightened, the screw protruding into the box does not have enough rod length to securely connect the flat washer 6 and the spring washer 5, so that the process of fitting the flat washer 6 and the spring washer 5 is very time-consuming and laborious , the probability of failure is high, and it is still easy to fall into the box, resulting in installation failure, which will slow down the installation progress and make the transfer difficult; 2) The production cost of the special "L" type sleeve is relatively high, but the corresponding ease of use But it is not ideal; this is because the devices installed in each box are different, and the height and size are different. It is necessary to make L"-shaped sleeve fixture rods with different heights to avoid obstacles; and to make "L" with different sizes and specifications. Type sleeve fixture rod body, will inevitably increase the cost of fixture manufacturing
Method used
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[0034] Attached below Figure 1-14 Specific examples of the present invention are described.
[0035] The following examples facilitate a better understanding of the present invention, but do not limit the present invention. The following embodiments are only some of the embodiments of the present invention, but not all of them. The components used in the following examples are commercially available unless otherwise specified.
[0036] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by "middle", "upper", "lower", "left", "right", "inner" and "outer" are based on the drawings The orientations or positional relationships shown are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be con...
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The invention provides a small space in-box nut and outer-box screw quick fastening and installation fixture. The fixture comprises a fixture handle I, a fixture handle II and a fixture body. One endof an axial circular center channel of the fixture body is provided with an internal thread for being screwed with a rear cover screw, and the other end of the axial circular center channel of the fixture body is provided with a hexagonal socket nut fixing hole for limiting, stopping and fixing a nut to be tightened. A push pin and a spring are plugged into the fixture body in sequence. The internal thread is screwed with the rear cover screw to conduct blocking. The push pin extends out from the other end of the fixture body to be sleeved with the nut to be tightened, a spring washer and a flat washer in sequence. An outer-box screw to be tightened and the in-box nut to be tightened can be screwed, tightened and connected through pressing, opposite pushing and screwing actions. The smallspace in-box nut and outer-box screw quick fastening and installation fixture is simple in structure, convenient to handhold, quick and convenient to install, quick and efficient, has certain universality and can meet the requirement for quick screwing, tightening and connecting installation of a small space in-box nut and outer-box screw fastening assembly.
Description
technical field [0001] The invention belongs to the technical field of assembly fixtures for manual installation during operation and transportation, and in particular relates to a fixture for quick fastening and installation of nuts inside a small-space box and screws outside the box. Background technique [0002] In the prior art, in order to firmly fix components such as plugs, transformers, and filters in small and small casting boxes, the installation method of screws and nuts is generally widely used for fastening. And from the perspective of beautiful appearance, the screws to be fastened are mostly inserted from the outer surface of the box into the box, and the flat gasket 6, the spring washer 5 and the nut 4 are connected and screwed on the screws to be fastened one by one from the box. Above, then screw the nut inside the box to realize the cooperation between the screw and the nut to achieve the purpose of firmly fastening the installation of the components in th...
Claims
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Login to View More IPC IPC(8): B25B27/14
CPCB25B27/143
Inventor白强辛晓菊赵伟健黄永利魏宁涛郑晓琳蒋晓丽
OwnerSHAANXI BAOCHENG AVIATION INSTR