KR20170068682A - Easy fastening bolt with spring and Port plate coupling structure - Google Patents

Easy fastening bolt with spring and Port plate coupling structure Download PDF

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Publication number
KR20170068682A
KR20170068682A KR1020150175155A KR20150175155A KR20170068682A KR 20170068682 A KR20170068682 A KR 20170068682A KR 1020150175155 A KR1020150175155 A KR 1020150175155A KR 20150175155 A KR20150175155 A KR 20150175155A KR 20170068682 A KR20170068682 A KR 20170068682A
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KR
South Korea
Prior art keywords
fixing
spring
plate
body portion
groove
Prior art date
Application number
KR1020150175155A
Other languages
Korean (ko)
Other versions
KR101795873B1 (en
Inventor
손은혜
백선기
임성진
박성욱
서희준
조혁진
문귀원
Original Assignee
한국항공우주연구원
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Application filed by 한국항공우주연구원 filed Critical 한국항공우주연구원
Priority to KR1020150175155A priority Critical patent/KR101795873B1/en
Publication of KR20170068682A publication Critical patent/KR20170068682A/en
Application granted granted Critical
Publication of KR101795873B1 publication Critical patent/KR101795873B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
    • F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
    • F16B21/18—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with circlips or like resilient retaining devices, i.e. resilient in the plane of the ring or the like; Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G7/00—Simulating cosmonautic conditions, e.g. for conditioning crews
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G7/00—Simulating cosmonautic conditions, e.g. for conditioning crews
    • B64G2007/005—Space simulation vacuum chambers

Abstract

The present invention relates to a simple fastening bolt using a spring and a port plate fastening structure using the fastening bolt. More particularly, the present invention relates to a fastening bolt using a spring, The present invention relates to a simple fastening bolt using a spring and a port plate fastening structure using the fastening bolt.

Description

[0001] The present invention relates to a fastening bolt and a port plate coupling structure using the same,

The present invention relates to a simple fastening bolt using a spring and a port plate fastening structure using the fastening bolt. More particularly, the present invention relates to a fastening bolt using a spring, The present invention relates to a simple fastening bolt using a spring and a port plate fastening structure using the fastening bolt.

The space environment is characterized by a harsh environment in which high temperature and cryogenic environments due to high vacuum environment and solar radiation are repeated.

And satellites are continuously exposed to the space environment from the moment they enter the cosmic orbit from the ground, and due to the harsh conditions of the space environment, satellites etc. may cause malfunctions in major components, .

In other words, unlike the case where the space environment is different from the ground environment, it is proved that the satellites are operated normally on the ground at the time of production, and unexpected problems may occur in the satellites exposed to harsh conditions of space environment will be.

Due to the above-mentioned reasons, it is necessary for the satellites and others to check the main functions and operating states through various pre-tests (referred to as " space environment tests " have. The space environment simulation equipment used to conduct these space environmental tests is called a thermal vacuum chamber. Such a thermal vacuum chamber should be connected to a cable for communication or exchange of electrical signals between the internal device and the external device.

Fig. 9 is a conceptual diagram showing a state in which an internal cable and an external cable are coupled to a connector of a common port plate.

Referring to this, the cable inside the thermal vacuum chamber and the external cable are connected to the connector formed on the port plate.

However, the port plate is coupled to the flange of the thermal vacuum chamber. In order to connect the cable, the port plate of 20 to 30 kg should be separated from the flange and the process of coupling should be repeated. However, there has been a problem in that it takes a long time to work when an existing bolt and nut are used, resulting in inefficiency.

SUMMARY OF THE INVENTION The present invention has been conceived in order to solve the above-mentioned problems, and an object of the present invention is to provide a fixing device, a fixing device, The present invention provides a simple fastening bolt using a spring and a port plate fastening structure using the fastening bolt that can firmly combine the port plate to greatly improve work performance.

It is another object of the present invention to provide a simple fastening bolt using a spring capable of replacing a spring as necessary by providing a spring module having a spring coupled between a fastening plate and a compression plate to be detachably coupled to the body, Plate coupling structure.

According to an aspect of the present invention, there is provided a simple fastening bolt using a spring, the fastening bolt comprising: a bar-shaped body portion inserted into a fixing hole of a fixture; A head part provided at one end of the body part; A fixing plate fixed to one surface of the head; A compression plate on which an insertion hole is formed to movably engage with the body; A spring inserted into the body portion and disposed between the fixing plate and the pressing plate; A groove portion formed on the other side of the body portion in the circumferential direction; And a fixing pin inserted in the groove portion to fix the body portion. When the fixing pin is inserted into the groove portion while the body portion is inserted into the fixing hole, at one side of the body portion, And is fastened while pressurizing the defective article.

Further, the groove of the fastening bolt using the spring according to the present invention has a semicircular cross-sectional structure, and the fixing pin has a shape of '∩' with one side thereof opened, and both ends, which are opened in a state sandwiched by the groove, And protrudes to both sides of the part.

In addition, a plurality of grooves of the fastening bolts using the spring according to the present invention are formed at predetermined intervals.

Further, the inner circumferential surface of the groove portion of the fastening bolt using the spring according to the present invention is characterized in that a latching groove is formed in the inner circumferential surface of the fastening bolt so as to be engaged with the bottom portion of the groove portion.

In addition, the simple fastening bolt using the spring according to the present invention has a rod-shaped body portion formed with a first thread on one side and a groove portion formed on the other side in a circumferential direction, and inserted into the fixing hole of the fixed body; A head part provided at one end of the body part; A fixing pin fitted in the groove; And a spring module detachably attached to the body portion, wherein the spring module includes: a fixing plate having a second threaded insertion hole for screwing the first screw thread; A pressing plate spaced from the fixing plate and having an insertion hole; Wherein when the fixing pin is inserted into the fixing hole, the fixing pin is inserted into the fixing hole, and at one side of the body, the compression plate is deflected by the elasticity of the spring, And is fastened while pressurized.

Also, the port plate coupling structure according to the present invention includes: a flange provided in a thermal vacuum chamber and having a plurality of fixing holes; A port plate in which a plurality of fixing holes corresponding to the flange fixing holes are formed to be engaged with the flange, and a connector is provided to connect an external cable in the thermal vacuum chamber; And a simple fastening bolt using a spring fastened to the fastening hole of the flange and the port plate, wherein the simple fastening bolt using the spring has a rod-shaped body portion to be inserted into the fastening hole; A head part provided at one end of the body part; A fixing plate fixed to one surface of the head; A compression plate on which an insertion hole is formed to movably engage with the body; A spring inserted into the body portion and disposed between the fixing plate and the pressing plate; A groove portion formed on the other side of the body portion in the circumferential direction; And a fixing pin inserted in the groove to fix the body.

Also, the port plate coupling structure according to the present invention includes: a flange provided in a thermal vacuum chamber and having a plurality of fixing holes; A port plate in which a plurality of fixing holes corresponding to the flange fixing holes are formed to be engaged with the flange, and a connector is provided to connect an external cable in the thermal vacuum chamber; And a simple fastening bolt using a spring fastened to the fixing hole of the flange and the port plate. The simple fastening bolt using the spring has a first thread formed on one side and a groove formed on the other side in a circumferential direction, A rod-like body portion to be inserted into a stationary fixing hole; A head part provided at one end of the body part; A fixing pin fitted in the groove; And a spring module detachably attached to the body portion, wherein the spring module includes: a fixing plate having a second threaded insertion hole formed therein for screwing the first screw thread; A pressing plate spaced from the fixing plate and having an insertion hole; And a spring coupled to the fixing plate and the pressing plate, respectively.

The simple fastening bolt using the spring according to the present invention having the above-described structure and the port plate fastening structure using the fastening bolt according to the present invention can prevent the elasticity or tension of the spring by simply holding the fastening pin in the groove, The port plate can be firmly coupled through the through hole, thereby greatly improving the work performance.

In addition, the simple fastening bolt using the spring according to the present invention and the port plate fastening structure using the fastening bolt according to the present invention may be constructed such that a spring module is provided between a fixing plate and a compression plate, There is an effect that can be done.

1 is an exploded perspective view showing an embodiment of a fastening bolt using a spring according to the present invention.
2 is a perspective view of FIG.
3 and 4 are a perspective view and a cross-sectional view showing a fastening bolt fastened according to the present invention.
5 is a perspective view showing a state in which a latching groove is formed in the fixing pin of the present invention.
Fig. 6 is a sectional view of Fig. 5. Fig.
7 is a cross-sectional view showing a state in which the fixing pin is engaged with a structure different from that of FIG.
8 is a cross-sectional view showing another embodiment of a fastening bolt using a spring according to the present invention.
9 is a sectional view showing a general port plate coupling structure.

Hereinafter, preferred embodiments of the present invention will be described more specifically with reference to the accompanying drawings.

In the description of the present invention, the same or similar elements are denoted by the same or similar reference numerals, and a detailed description thereof will be omitted.

FIG. 1 is an exploded perspective view showing an embodiment of a fastening bolt using a spring according to the present invention, and FIG. 2 is a perspective view of FIG. 1. 3 and 4 are a perspective view and a sectional view showing a fastening bolt fastened according to the present invention.

1 through 4, the simple fastening bolt 100 using a spring according to the present invention can easily fix an unfixed fastener without a nut, unlike a conventional fastener composed of a bolt and a nut, A head portion 130 connected to the body portion, a spring 160 inserted in the body portion, and a fixing pin 180 coupled to the body portion 110.

There is no particular limitation on the vacuum cleaner to which the present invention is applied, but hereinafter, the vacuum cleaner used for coupling the port plate to the flange provided in the thermal vacuum chamber will be mainly described.

More specifically, the simple fastening bolt 100 using a spring according to the present invention includes a rod-like body 110 inserted into the fixation holes 11 and 21 of the fixture, A pressing plate 140 fixed to one surface of the head 130 and a pressing plate 140 having an insertion hole 151 movably coupled to the body 110, A spring 160 inserted between the fixing plate 140 and the compression plate 150 and inserted into the body 110 and a groove formed in the other side of the body 110, (111), and a fixing pin (180) that is fitted in the groove and fixes the body.

The body portion 110 is inserted into the fixing holes 11 and 21 formed in the flange 10 and the port plate 20 and has a structure in which a conventional thread is omitted. And the other side is provided with a groove portion 111 which is drawn out from the fixing hole 11. The groove portion 111 may have a semicircular sectional structure and the fixing pin 180 may be fitted .

A plurality of the grooves 111 may be formed at predetermined intervals in order to allow the fixing pins 180 to be coupled to desired positions in consideration of the tension of the spring 160 and the thickness of the port plate 20. [ to be.

The fixing pin 180 has a shape of '∩' open at one side and both side ends 181 that are opened in a state of being fitted in the groove part 111 are projected to both sides of the body part 110, .

The protruding region of the fixing pin 180 allows the body 110 to be fixed without being detached from the fixing hole 11.

The spring 160 may be a compression coil spring and the port plate 20 may be fixed to the flange 10 by pressing the fixing pin 180 in a state where the fixing pin 180 is inserted into the groove 111 It is the role of

One end of the spring 160 is fixed to the fixing plate 140 and the other end is fixed to the pressing plate 150.

The fixing plate 140 is fixed on the head 130 and only the pressing plate 150 moves on the body 110 according to the compression and extension of the spring 160.

Referring to FIGS. 3 and 4, when the fastening bolt 100 is fastened, the other side of the body 110 is inserted into the fixing holes 11 and 21, and when the head 130 is pressed, (111) is released from the fixing hole (11) and the spring (160) is compressed. Next, when the head portion 130 is put on the groove portion 111 exposed to the outside, the compressed spring 160 is stretched and the port plate 20 is pressed to closely contact the flange 10 .

As described above, according to the present invention, even if the user inserts the body portion 110 into the fixing holes 11 and 21 and merely moves the fixing pin 180 into the groove portion 111, Since the port plate 20 can be firmly coupled, there is an advantage in that the work performance can be greatly improved and the port plate engagement time can be greatly shortened.

FIG. 5 is a perspective view showing a state in which a latching groove is formed in the fixing pin of the present invention, FIG. 6 is a cross-sectional view of FIG. 5, and FIG. 7 is a cross-

5 and 6, since the fixing pin 180 is formed in a substantially semicircular shape having one side opened, the fixing pin 180 can be detached from the groove 111 with a slight impact in a state of being simply inserted into the groove 111, It is preferable that an engagement groove 183 is formed on the inner circumferential surface of the fixing pin 180. [

The engaging groove 183 is recessed from the inner circumferential surface of the fixing pin 180 so as to be engaged with the bottom 113 of the groove 111.

7, a protrusion 184 is formed at the center of the inner circumferential surface of the fixing pin 180, and a protrusion insertion hole 115 through which the protrusion 184 is inserted is formed in the bottom portion 113 of the groove portion 111 Therefore, the fixing pin 180 is not easily detached.

A handle 185 may be provided on the upper end of the fixing pin 180 so that the user can easily pick up the fixing pin 180.

8 is a cross-sectional view showing another embodiment of a fastening bolt using a spring according to the present invention.

Referring to FIG. 8, the fastening bolt 100 using the spring according to the present embodiment has a first thread 117 formed on one side and a groove 111 formed on the other side in the circumferential direction, A head part 130 provided at one end of the body part 110 and a fixing pin 180 fitted to the groove part 111, And a spring module 30 detachably attached to the body 110. [

The spring module 30 includes a fixing plate 140 having an insertion hole 141 formed with a second screw thread 143 screwed to the first screw thread 117 and a fixing plate 140 spaced apart from the fixing plate 140, And a spring 160 coupled to the fixing plate 140 and the pressing plate 150. The pressing plate 150 has a hole 151 formed therein.

When the fixing pin 180 is inserted into the groove 111 in a state where the body 110 is inserted into the fixing holes 11 and 21, So that the press plate 150 is pressed while pressing the port plate 20 by elasticity.

Since the spring module 30 is detachably coupled to the body 110, when the elasticity or tension of the spring 160 is weakened or the length of the spring 160 needs to be increased or decreased according to use for a long period of time, It can be replaced with a spring of a desired standard.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

100: fastening bolt 110: body part
111: groove portion 113: bottom portion
115: projection insertion hole 130: head portion
140: fixing plate 141: insertion hole
150: compression plate 151: insertion hole
160: spring 180: fixed pin
181: end portion 183:
184: projection 185: handle portion
10: Flange 11: Fixing hole
20: Port plate 21: Fixing hole
23: connector 30: spring module

Claims (7)

A rod-shaped body portion to be inserted into the fixing hole of the fixed body;
A head part provided at one end of the body part;
A fixing plate fixed to one surface of the head;
A compression plate on which an insertion hole is formed to movably engage with the body;
A spring inserted into the body portion and disposed between the fixing plate and the pressing plate;
A groove portion formed on the other side of the body portion in the circumferential direction;
And a fixing pin inserted in the groove portion and fixing the body portion,
Wherein when the fixing pin is inserted into the groove portion in a state where the body portion is inserted into the fixing hole, the pressing plate is fastened while pressing the fixing body by elasticity of the spring at one side of the body portion. volt. The method according to claim 1,
Wherein the groove portion has a semicircular cross-sectional structure,
Wherein the fixing pin has a shape of '∩' with one side thereof opened, and both end portions of the fixing pin protruded from both sides of the body portion in a state of being fitted in the groove portion. The method according to claim 1,
Wherein a plurality of the grooves are formed at predetermined intervals.
The method according to claim 1,
And a fastening groove is formed on an inner circumferential surface of the groove so as to be engaged with a bottom of the groove.
A rod-like body portion having a first thread formed on one side and a groove portion formed on the other side in a circumferential direction and inserted into a fixing hole of the fixed body;
A head part provided at one end of the body part;
A fixing pin fitted in the groove;
And a spring module detachably attached to the body portion,
Wherein the spring module comprises:
A fixing plate provided with a second threaded insertion hole to be screwed into the first screw thread; A pressing plate spaced from the fixing plate and having an insertion hole; And a spring coupled to the fixing plate and the pressing plate, respectively,
Wherein when the fixing pin is inserted into the groove portion in a state where the body portion is inserted into the fixing hole, the pressing plate is fastened while pressing the fixing body by elasticity of the spring at one side of the body portion. volt.
A flange provided in the thermal vacuum chamber and having a plurality of fixing holes;
A port plate in which a plurality of fixing holes corresponding to the flange fixing holes are formed to be engaged with the flange, and a connector is provided to connect an external cable in the thermal vacuum chamber;
And a simple fastening bolt using a spring fastened to the fixing hole of the flange and the port plate,
In the simple fastening bolt using the spring,
A rod-like body portion inserted into the fixing hole;
A head part provided at one end of the body part;
A fixing plate fixed to one surface of the head;
A compression plate on which an insertion hole is formed to movably engage with the body;
A spring inserted into the body portion and disposed between the fixing plate and the pressing plate;
A groove portion formed on the other side of the body portion in the circumferential direction;
And a fixing pin inserted in the groove to fix the body portion.
A flange provided in the thermal vacuum chamber and having a plurality of fixing holes;
A port plate in which a plurality of fixing holes corresponding to the flange fixing holes are formed to be engaged with the flange, and a connector is provided to connect an external cable in the thermal vacuum chamber;
And a simple fastening bolt using a spring fastened to the fixing hole of the flange and the port plate,
In the simple fastening bolt using the spring,
A rod-like body portion having a first thread formed on one side and a groove portion formed on the other side in a circumferential direction and inserted into a fixing hole of the fixed body;
A head part provided at one end of the body part;
A fixing pin fitted in the groove;
And a spring module detachably attached to the body portion,
Wherein the spring module comprises:
A fixing plate provided with a second threaded insertion hole to be screwed into the first screw thread; A pressing plate spaced from the fixing plate and having an insertion hole; And a spring coupled to the fixing plate and the pressing plate, respectively.
KR1020150175155A 2015-12-09 2015-12-09 Easy fastening bolt with spring and Port plate coupling structure KR101795873B1 (en)

Priority Applications (1)

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KR1020150175155A KR101795873B1 (en) 2015-12-09 2015-12-09 Easy fastening bolt with spring and Port plate coupling structure

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Application Number Priority Date Filing Date Title
KR1020150175155A KR101795873B1 (en) 2015-12-09 2015-12-09 Easy fastening bolt with spring and Port plate coupling structure

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KR20170068682A true KR20170068682A (en) 2017-06-20
KR101795873B1 KR101795873B1 (en) 2017-11-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108518401A (en) * 2018-02-28 2018-09-11 安徽大洋自动化科技有限公司 A kind of sampling nut for resistance-type Moisture Meter
CN111959833A (en) * 2020-08-18 2020-11-20 天津航天机电设备研究所 Butt joint device for spacecraft neutral buoyancy simulation test
CN112145780A (en) * 2020-09-29 2020-12-29 南京乔克空压设备有限公司 High-temperature-resistant electromagnetic valve special for rubber and plastic machinery

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200419782Y1 (en) * 2006-03-31 2006-06-28 추만엽 Concrete Formwork Bolt Assembly
JP4548804B2 (en) * 2008-12-15 2010-09-22 有限会社 石川技工 Fastening device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108518401A (en) * 2018-02-28 2018-09-11 安徽大洋自动化科技有限公司 A kind of sampling nut for resistance-type Moisture Meter
CN111959833A (en) * 2020-08-18 2020-11-20 天津航天机电设备研究所 Butt joint device for spacecraft neutral buoyancy simulation test
CN111959833B (en) * 2020-08-18 2022-02-15 天津航天机电设备研究所 Butt joint device for spacecraft neutral buoyancy simulation test
CN112145780A (en) * 2020-09-29 2020-12-29 南京乔克空压设备有限公司 High-temperature-resistant electromagnetic valve special for rubber and plastic machinery

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