TWM558275U - Latch structure and stopper thereof - Google Patents

Latch structure and stopper thereof Download PDF

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Publication number
TWM558275U
TWM558275U TW106216629U TW106216629U TWM558275U TW M558275 U TWM558275 U TW M558275U TW 106216629 U TW106216629 U TW 106216629U TW 106216629 U TW106216629 U TW 106216629U TW M558275 U TWM558275 U TW M558275U
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TW
Taiwan
Prior art keywords
housing
latch
stepped
limiting
limiting cylinder
Prior art date
Application number
TW106216629U
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Chinese (zh)
Inventor
Ching-Wan Li
Original Assignee
Taiwan Fu Hsing Industrial Co Ltd
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Publication date
Application filed by Taiwan Fu Hsing Industrial Co Ltd filed Critical Taiwan Fu Hsing Industrial Co Ltd
Priority to TW106216629U priority Critical patent/TWM558275U/en
Priority to CN201721680648.3U priority patent/CN208040038U/en
Publication of TWM558275U publication Critical patent/TWM558275U/en

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Abstract

一種鎖閂構造,用以被裝設於一門,以形成上鎖狀態與解鎖狀態,該鎖閂構造包含一殼體、一鎖舌、一傳動件及一限位筒,該鎖舌設置於該殼體中,該傳動件用以帶動該鎖舌凸出該殼體或隱入該殼體,該限位筒套設於該殼體,該限位筒是由一板材經捲圓而成,該限位筒具有一第一端部及一第二端部,該第一端部形成有一第一階梯狀搭接部,該第二端部形成有一第二階梯狀搭接部,該第一階梯狀搭接部及該第二階梯狀搭接部相互堆疊,以增加該限位筒的抗壓強度。 a latching structure for being mounted on a door to form a locked state and an unlocked state, the latching structure comprising a casing, a locking tongue, a transmission component and a limiting cylinder, wherein the locking tongue is disposed on the door In the housing, the transmission member is configured to drive the locking tongue to protrude from the housing or to be hidden into the housing, the limiting cylinder is sleeved on the housing, and the limiting cylinder is formed by rolling a plate. The limiting cylinder has a first end portion and a second end portion. The first end portion is formed with a first stepped overlapping portion, and the second end portion is formed with a second stepped overlapping portion. The stepped lap joint and the second stepped lap joint are stacked on each other to increase the compressive strength of the limit cylinder.

Description

鎖閂構造及其限位筒 Latch construction and its limit cylinder

本創作是關於一種鎖閂構造及其限位筒、鎖舌,特別是限位筒是由一板材經捲圓而成的鎖閂構造,以及鎖舌是由一板材經深抽而成的鎖閂構造。 The present invention relates to a latch structure and a limiting cylinder and a locking tongue thereof. In particular, the limiting cylinder is a latch structure formed by winding a plate, and the locking tongue is a lock which is deep drawn by a plate. Latch construction.

習知的鎖閂構造的一限位筒是由一金屬件經抽拉製程而形成為一圓形筒體,之後再以衝壓、鑽孔、銑孔製程在該筒體上形成凹槽或穿孔,由於該筒體為圓形,因此不利於後續的衝壓、鑽孔、銑孔製程加工,且該筒體於衝壓、鑽孔、銑孔製程加工後容易造成該筒體變形,而使得該筒體無法與該鎖閂構造的其他元件組合,此外由於該鎖閂構造的一鎖舌是由一金屬合金(例如:鋅合金)壓鑄或由緞打而成,因此其重量較重,且其製造成本較高。 A limit cylinder of the conventional latch structure is formed by a metal piece by a drawing process to form a circular cylinder, and then a groove or a hole is formed in the cylinder by a punching, drilling and milling process. Because the cylinder is circular, it is not conducive to subsequent stamping, drilling, and milling process, and the cylinder is easily deformed by stamping, drilling, and milling processes, so that the cylinder is deformed. The body cannot be combined with other elements of the latch construction, and since the bolt of the latch construction is die cast from a metal alloy (eg, zinc alloy) or satin, it is heavy and manufactured. higher cost.

本創作之目的在於提供一種鎖閂構造及其限位筒,該鎖閂構造的一限位筒是由一板材經捲圓而成,在該板材捲圓之前可先進行必要的加工(如衝壓、鑽孔、銑孔製程加工),之後再將該板材捲圓以形成該限位筒,該限位筒的一第一端部形成有一第一階梯狀搭接部,以及該限位筒的一第二端部形成有一第二階梯狀搭接部,藉由該第一階梯狀搭接部及該第二階梯狀搭接部相互堆疊以增加該限位筒的抗壓強度。 The purpose of the present invention is to provide a latch structure and a limiting cylinder thereof. A limiting cylinder of the latching structure is formed by rolling a plate, and the necessary processing (such as stamping) can be performed before the plate is rolled. , drilling, milling process, and then rounding the plate to form the limiting cylinder, a first end of the limiting cylinder is formed with a first stepped lap, and the limiting cylinder A second stepped portion is formed on the second end portion, and the first stepped overlapping portion and the second stepped overlapping portion are stacked on each other to increase the compressive strength of the limiting barrel.

本創作之另一目的在於提供一種鎖閂構造及其鎖舌,該鎖閂構造的一鎖舌是由一板材經深抽而成,因此可降低該鎖舌的重量,並可降低製造成本。 Another object of the present invention is to provide a latch structure and a bolt thereof. The bolt of the latch structure is deep drawn from a plate, thereby reducing the weight of the bolt and reducing the manufacturing cost.

本創作之一種鎖閂構造包含一殼體、一鎖舌、一傳動件以及一限位筒,該殼體具有一容置空間及一開口,該鎖舌活動地設置於該容置空間中,該傳動件用以帶動該鎖舌凸出該開口或隱入該容置空間中,該限位筒套設於該殼體,該限位筒是由一板材經捲圓而成,該限位筒具有一第一端部及一第二端部,該第一端部形成有一第一階梯狀搭接部,該第二端部形成有一第二階梯狀搭接部,該第一階梯狀搭接部及該第二階梯狀搭接部相互堆疊搭接。The latching structure of the present invention comprises a housing, a locking tongue, a transmission component and a limiting cylinder, the housing has an accommodating space and an opening, and the locking tongue is movably disposed in the accommodating space. The transmission member is configured to drive the locking tongue to protrude from the opening or to be hidden in the accommodating space, the limiting cylinder is sleeved on the casing, and the limiting cylinder is formed by rolling a plate, the limit is The cylinder has a first end portion and a second end portion, the first end portion is formed with a first stepped lap portion, and the second end portion is formed with a second stepped lap portion, the first stepped lap joint The joint portion and the second stepped overlap portion are stacked and overlapped with each other.

請參閱第1及2圖,一種鎖閂構造100其用以裝設於一門(圖未繪出),並選擇性地形成上鎖狀態與解鎖狀態。Referring to Figures 1 and 2, a latch structure 100 is mounted to a door (not shown) and selectively forms a locked state and an unlocked state.

請參閱第2及3圖,該鎖閂構造100包含一殼體110、一鎖舌120、一傳動件130以及一限位筒140,該殼體110具有一容置空間111及一開口112,在本實施例中,該殼體110包含一第一半殼體110a及一第二半殼體110b,該容置空間111及該開口112是組合該第一半殼體110a及該第二半殼體110b後所形成,該第一半殼體110a及該第二半殼體110b可由一板材(圖未繪出)經衝壓所形成,但不以此為限。Referring to FIGS. 2 and 3 , the latch structure 100 includes a housing 110 , a latching tongue 120 , a transmission member 130 , and a limiting cylinder 140 . The housing 110 has an receiving space 111 and an opening 112 . In this embodiment, the housing 110 includes a first housing half 110a and a second housing half 110b. The receiving space 111 and the opening 112 are combined with the first housing half 110a and the second half. After the housing 110b is formed, the first partial housing 110a and the second partial housing 110b may be formed by pressing a plate (not shown), but not limited thereto.

請參閱第2、3及4圖,該鎖舌120及該傳動件130活動地設置於該容置空間111中,該傳動件130用以帶動該鎖舌120凸出該開口112或隱入該容置空間111中,該鎖舌120是由一板材(圖未繪出)經深抽而成,請參閱第4及5圖,該鎖舌120具有一艙室121、一開口122及一圓孔123,該開口122及該圓孔123分別位於該鎖舌120的二端,該艙室121連通該開口122及圓孔123,一插銷150設置於該插銷150用以結合該鎖舌120及該傳動件130,以使該傳動件130帶動該鎖舌120在該殼體110的該容置空間111中往復移動。Referring to the figures 2, 3 and 4, the locking tongue 120 and the transmission member 130 are movably disposed in the accommodating space 111, and the transmission member 130 is configured to drive the locking tongue 120 to protrude from the opening 112 or to hide the same. In the accommodating space 111, the locking tongue 120 is formed by deep drawing of a plate (not shown). Referring to Figures 4 and 5, the locking tongue 120 has a compartment 121, an opening 122 and a circular hole 123. The opening 122 and the circular hole 123 are respectively located at two ends of the locking tongue 120. The compartment 121 communicates with the opening 122 and the circular hole 123. A latch 150 is disposed on the latch 150 for coupling the locking tongue 120 and the transmission component. 130, so that the transmission member 130 drives the locking tongue 120 to reciprocate in the accommodating space 111 of the housing 110.

請參閱第3、4及5圖,該鎖舌120具有至少一孔124,該插銷150固定於該孔124,該鎖舌120以該插銷150結合於該傳動件130,在本實施例中,該鎖舌120具有一第一側平面120a及一第二側平面120b,在該第一側平面120a及該第二側平面120b分別設有該孔124,該插銷150的二端分別結合於各該孔124。Referring to Figures 3, 4 and 5, the bolt 120 has at least one hole 124. The bolt 150 is fixed to the hole 124. The bolt 120 is coupled to the transmission member 130 by the pin 150. In this embodiment, The locking tongue 120 has a first side plane 120a and a second side plane 120b. The first side plane 120a and the second side plane 120b are respectively provided with the hole 124. The two ends of the latch 150 are respectively coupled to the respective ends. The hole 124.

請參閱第2、3、4及5圖,該傳動件130包含有一傳動筒131及一傳動桿132,該傳動筒131具有一軌道131a,該插銷150穿設於該軌道131a,藉由該插銷150限制於該軌道131a中,使該傳動件130可帶動該鎖舌120移動。Referring to Figures 2, 3, 4 and 5, the transmission member 130 includes a driving cylinder 131 and a transmission rod 132. The driving cylinder 131 has a rail 131a. The latch 150 is disposed through the rail 131a by the latch. 150 is limited to the rail 131a, so that the transmission member 130 can drive the bolt 120 to move.

請參閱第2及3圖,該鎖閂構造100另包含一驅動件160,該驅動件160轉動地設置於該殼體110,該驅動件160用以驅動該傳動件130,在本實施例中,該驅動件160結合於該傳動桿132,當轉動該驅動件160時,該驅動件160驅動該傳動件130以帶動該鎖舌120位移。Referring to FIGS. 2 and 3, the latch structure 100 further includes a driving member 160. The driving member 160 is rotatably disposed on the housing 110. The driving member 160 is used to drive the transmission member 130, in this embodiment. The driving member 160 is coupled to the driving rod 132. When the driving member 160 is rotated, the driving member 160 drives the transmission member 130 to drive the locking tongue 120 to be displaced.

請參閱第2、3及4圖,該限位筒140套設於該殼體110,該限位筒140是由一板材(圖未繪出)經捲圓而成,在捲圓製程之前可先以衝壓、鑽孔、銑孔等製程在該板材上形成必要的凹槽或穿孔,請參閱第3圖,在本實施例中,在捲圓製程之前可以衝壓、鑽孔、銑孔等製程該板材上形成一斜穿孔,在捲圓製程之後,使該板材形成為該限位筒140,且使該斜穿孔形成為一螺旋導引槽144。Please refer to the figures 2, 3 and 4, the limiting cylinder 140 is sleeved on the casing 110, and the limiting cylinder 140 is formed by rolling a plate (not shown), before the winding process Firstly, the necessary grooves or perforations are formed on the plate by stamping, drilling, milling and the like. Please refer to FIG. 3, in this embodiment, the process of punching, drilling, milling, etc. can be performed before the winding process. A slanted perforation is formed on the plate. After the reeling process, the plate is formed into the limiting cylinder 140, and the oblique perforation is formed into a spiral guiding groove 144.

請參閱第2、3及4圖,該限位筒140具有一第一端部141及一第二端部142,該第一端部141形成有一第一階梯狀搭接部141a,該第二端部142形成有一第二階梯狀搭接部142a,該第一階梯狀搭接部141a及第二階梯狀搭接部142a可在該板材捲圓之前,以衝壓方式形成,該第一階梯狀搭接部141a可為該板材經衝壓薄化所產生的凹槽,該第二階梯狀搭接部142a則可為該板材經衝壓延伸所形成的凸部,但不以此為限。Referring to FIGS. 2, 3 and 4, the limiting cylinder 140 has a first end portion 141 and a second end portion 142. The first end portion 141 is formed with a first stepped overlapping portion 141a. The end portion 142 is formed with a second stepped overlapping portion 142a, and the first stepped overlapping portion 141a and the second stepped overlapping portion 142a are formed by stamping before the sheet is rolled, the first stepped shape The lap portion 141a may be a groove formed by stamping and thinning of the plate material, and the second stepped lap portion 142a may be a convex portion formed by the stamping extension of the plate material, but not limited thereto.

請參閱第4圖,當該限位筒140被捲圓成型時,該第一階梯狀搭接部141a及該第二階梯狀搭接部142a相互堆疊,以增加該第一端部141及該第二端部142的結合強度,相對地也增加了該限位筒140的抗壓強度。Referring to FIG. 4, when the limiting cylinder 140 is rounded, the first stepped overlapping portion 141a and the second stepped overlapping portion 142a are stacked on each other to increase the first end portion 141 and the The bonding strength of the second end portion 142 relatively increases the compressive strength of the limiting cylinder 140.

請參閱第1、2、3及5圖,該殼體110具有一導引凸塊114,該導引凸塊114被限位於該限位筒140的該螺旋導引槽144中,當轉動該殼體110時,該導引凸塊114可以選擇性地在該螺旋導引槽144中移動,該螺旋導引槽144具有一第一端144a及一第二端144b,在本實施例中,該鎖閂構造100為一種可調整結合長度的鎖閂構造,其用以配合不同門板的厚度,請參閱第1及6圖,旋轉該殼體110,使該導引凸塊114在該螺旋導引槽144中位移至該第一端144a或該第二端144b,以改變該鎖閂構造100的長度,以結合於不同厚度的門板。Referring to Figures 1, 2, 3 and 5, the housing 110 has a guiding projection 114, and the guiding projection 114 is limited to the helical guiding slot 144 of the limiting cylinder 140. In the case of the housing 110, the guiding protrusion 114 can be selectively moved in the spiral guiding groove 144. The spiral guiding groove 144 has a first end 144a and a second end 144b. In this embodiment, The latching structure 100 is an adjustable coupling length latching structure for matching the thickness of different door panels. Referring to FIGS. 1 and 6, the housing 110 is rotated such that the guiding projection 114 is in the spiral guide. The slot 144 is displaced into the first end 144a or the second end 144b to change the length of the latching configuration 100 for bonding to different thicknesses of the door panel.

請參閱第3及4圖,該殼體110具有至少一限位槽113,該限位筒140具有一限位凸部143,該限位槽113用以供該限位凸部143卡制,在本實施例中,該限位槽113位於第一半殼體110a與該第二半殼體110b之間。Referring to FIGS. 3 and 4 , the housing 110 has at least one limiting slot 113 . The limiting cylinder 140 has a limiting protrusion 143 for locking the limiting protrusion 143 . In this embodiment, the limiting slot 113 is located between the first partial housing 110a and the second partial housing 110b.

請參閱第2及4圖,在本實施例中,該殼體110具有二限位槽113,各該限位槽113分別位於該殼體110的一第一位置及一第二位置,請參閱第3及4圖,當旋轉該殼體110或該限位筒140使該導引凸塊114位移至該第一端部144a時,該限位凸部143嵌入於該限位槽113中,以使該殼體110定位無法繼續轉動,請參閱第6及7圖,相同地,當旋轉該殼體110或該限位筒140使該導引凸塊114位移至該第二端部144b時,該限位凸部143嵌入於另一該限位槽113中,使該殼體110定位無法繼續轉動。Referring to FIGS. 2 and 4 , in the present embodiment, the housing 110 has two limiting slots 113 , and each of the limiting slots 113 is located at a first position and a second position of the housing 110 . In the third and fourth embodiments, when the housing 110 or the limiting cylinder 140 is rotated to displace the guiding protrusion 114 to the first end portion 144a, the limiting protrusion 143 is embedded in the limiting slot 113. In order to position the housing 110 to continue to rotate, please refer to FIGS. 6 and 7. Similarly, when the housing 110 or the limiting cylinder 140 is rotated to displace the guiding protrusion 114 to the second end 144b. The limiting protrusion 143 is embedded in the other limiting slot 113, so that the housing 110 cannot be continuously rotated.

本創作之保護範圍當視後附之申請專利範圍所界定者為準,任何熟知此項技藝者,在不脫離本創作之精神和範圍內所作之任何變化與修改,均屬於本創作之保護範圍。The scope of protection of this creation is subject to the definition of the scope of the patent application, and any changes and modifications made by those skilled in the art without departing from the spirit and scope of this creation are within the scope of protection of this creation. .

100‧‧‧鎖閂構造100‧‧‧Latch construction

110‧‧‧殼體110‧‧‧shell

110a‧‧‧第一半殼體110a‧‧‧first half shell

110b‧‧‧第二半殼體110b‧‧‧second half shell

111‧‧‧容置空間111‧‧‧ accommodating space

112‧‧‧開口112‧‧‧ openings

113‧‧‧限位槽113‧‧‧ Limit slot

114‧‧‧導引凸塊114‧‧‧Guiding bumps

120‧‧‧鎖舌120‧‧‧Lock tongue

120a‧‧‧第一側平面120a‧‧‧First side plane

120b‧‧‧第二側平面120b‧‧‧second side plane

121‧‧‧艙室121‧‧‧ cabin

122‧‧‧開口122‧‧‧ openings

123‧‧‧圓孔123‧‧‧ round hole

124‧‧‧孔124‧‧‧ hole

130‧‧‧傳動件130‧‧‧ Transmission parts

131‧‧‧傳動筒131‧‧‧Drive cylinder

131a‧‧‧軌道131a‧‧ Track

132‧‧‧傳動桿132‧‧‧Drive rod

140‧‧‧限位筒140‧‧‧Limited tube

141‧‧‧第一端部141‧‧‧ first end

141a‧‧‧第一階梯狀搭接部141a‧‧‧First stepped lap

142‧‧‧第二端部142‧‧‧second end

142a‧‧‧第二階梯狀搭接部142a‧‧‧Second stepped lap

143‧‧‧限位凸部143‧‧‧Limited convex

144‧‧‧螺旋導引槽144‧‧‧Spiral guide groove

144a‧‧‧第一端144a‧‧‧ first end

144b‧‧‧第二端144b‧‧‧second end

150‧‧‧插銷150‧‧‧ latch

160‧‧‧驅動件160‧‧‧ drive parts

第1圖:本創作的鎖閂構造的立體圖。 Fig. 1: A perspective view of the latch structure of the present invention.

第2圖:本創作的鎖閂構造的另一視角的立體圖。 Fig. 2 is a perspective view showing another perspective of the latch structure of the present invention.

第3圖:本創作的鎖閂構造的分解立體圖。 Fig. 3 is an exploded perspective view of the latch structure of the present invention.

第4圖:本創作的鎖閂構造的剖視圖。 Fig. 4 is a cross-sectional view showing the latch structure of the present invention.

第5圖:本創作的鎖閂構造的剖視圖。 Fig. 5 is a cross-sectional view showing the latch structure of the present invention.

第6圖:本創作的鎖閂構造作動後的立體圖。 Fig. 6 is a perspective view of the lock structure of the present creation.

第7圖:本創作的鎖閂構造作動後的剖視圖。Fig. 7 is a cross-sectional view showing the actuated latch structure after actuation.

Claims (9)

一種鎖閂構造,包含:一殼體,具有一容置空間及一開口;一鎖舌,活動地設置於該容置空間中;一傳動件,用以帶動該鎖舌凸出該開口或隱入該容置空間中;以及一限位筒,套設於該殼體,該限位筒是由一板材經捲圓而成,該限位筒具有一第一端部及一第二端部,該第一端部形成有一第一階梯狀搭接部,該第二端部形成有一第二階梯狀搭接部,該第一階梯狀搭接部及該第二階梯狀搭接部相互堆疊搭接。 A latch structure includes: a housing having an accommodating space and an opening; a locking tongue movably disposed in the accommodating space; and a transmission member for driving the locking tongue to protrude the opening or hidden And the limiting cylinder is sleeved by a plate, the limiting cylinder has a first end and a second end The first end portion is formed with a first stepped lap portion, and the second end portion is formed with a second stepped lap portion, and the first stepped lap portion and the second stepped lap portion are stacked on each other Lap. 如申請專利範圍第1項所述之鎖閂構造,其中該殼體具有至少一限位槽,該限位筒具有一限位凸部,該限位槽用以供該限位凸部卡制。 The latching structure of claim 1, wherein the housing has at least one limiting slot, the limiting cylinder has a limiting protrusion for locking the limiting protrusion . 如申請專利範圍第2項所述之鎖閂構造,其中該殼體包含一第一半殼體及一第二半殼體,該限位槽位於第一半殼體與該第二半殼體之間。 The latch structure of claim 2, wherein the housing comprises a first partial housing and a second partial housing, the limiting slot being located in the first partial housing and the second partial housing between. 如申請專利範圍第1或2項所述之鎖閂構造,其中該限位筒具有一螺旋導引槽,該殼體具有一導引凸塊,該導引凸塊被限位於該螺旋導引槽中,該導引凸塊可以選擇性地在該螺旋導引槽中移動。 The latching structure of claim 1 or 2, wherein the limiting cylinder has a spiral guiding groove, the housing has a guiding protrusion, and the guiding protrusion is limited to the spiral guiding In the slot, the guiding lug can selectively move in the helical guiding slot. 如申請專利範圍第1或2項所述之鎖閂構造,其中該鎖舌是由一板材經深抽而成,該鎖舌具有一艙室,該艙室設有一插銷,該插銷用以結合該鎖舌及該傳動件。 The latching structure of claim 1 or 2, wherein the bolt is formed by deep drawing of a plate having a compartment, the compartment being provided with a latch for engaging the lock Tongue and the transmission member. 如申請專利範圍第5項所述之鎖閂構造,其中該鎖舌具有至少一孔,該插銷固定於該孔,該傳動件包含有一傳動筒及一傳動桿,該傳動筒具有一軌道,該插銷穿設於該軌道。 The latching structure of claim 5, wherein the latch has at least one hole, the latch is fixed to the hole, the transmission component comprises a driving cylinder and a transmission rod, the driving cylinder has a track, The latch is threaded through the track. 如申請專利範圍第1項所述之鎖閂構造,其另包含一驅動件,該驅動件轉動地設置於該殼體,該驅動件用以驅動該傳動件。 The latch structure of claim 1, further comprising a driving member rotatably disposed on the housing, the driving member for driving the transmission member. 如申請專利範圍第1項所述之鎖閂構造,其中該鎖舌是由一板材經深抽而成且該鎖舌具有一艙室、一開口、一圓孔、一第一側平面及一第二側平面,該開口及該圓孔分別位於該鎖舌的二端,該艙室連通該開口及圓孔,該第一側平面及該第二側平面分別設有一孔,該孔用以結合一插銷。 The latch structure of claim 1, wherein the bolt is formed by deep drawing of a plate and the lock tongue has a compartment, an opening, a circular hole, a first side plane and a second a side plane, the opening and the circular hole are respectively located at two ends of the locking tongue, the compartment is connected to the opening and the circular hole, and the first side plane and the second side plane are respectively provided with a hole for combining a latch . 一種鎖閂構造的限位筒,其中該限位筒由一板材經捲圓而成,該限位筒具有一第一端部及一第二端部,該第一端部形成有一第一階梯狀搭接部,該第二端部形成有一第二階梯狀搭接部,該第一階梯狀搭接部及該第二階梯狀搭接部相互堆疊搭接。 A limiting cylinder of a latch structure, wherein the limiting cylinder is formed by winding a plate, the limiting cylinder has a first end and a second end, and the first end is formed with a first step The second end portion is formed with a second stepped overlapping portion, and the first stepped overlapping portion and the second stepped overlapping portion are stacked and overlapped with each other.
TW106216629U 2017-11-09 2017-11-09 Latch structure and stopper thereof TWM558275U (en)

Priority Applications (2)

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TW106216629U TWM558275U (en) 2017-11-09 2017-11-09 Latch structure and stopper thereof
CN201721680648.3U CN208040038U (en) 2017-11-09 2017-12-06 Lock bolt structure and limiting barrel thereof

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TW106216629U TWM558275U (en) 2017-11-09 2017-11-09 Latch structure and stopper thereof

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