TWM281110U - Improved structure of multi-directional pipe joint - Google Patents

Improved structure of multi-directional pipe joint Download PDF

Info

Publication number
TWM281110U
TWM281110U TW94212303U TW94212303U TWM281110U TW M281110 U TWM281110 U TW M281110U TW 94212303 U TW94212303 U TW 94212303U TW 94212303 U TW94212303 U TW 94212303U TW M281110 U TWM281110 U TW M281110U
Authority
TW
Taiwan
Prior art keywords
kit
hole
seat
joint
seat member
Prior art date
Application number
TW94212303U
Other languages
Chinese (zh)
Inventor
Wen-Jin Su
Original Assignee
Wen-Jin Su
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wen-Jin Su filed Critical Wen-Jin Su
Priority to TW94212303U priority Critical patent/TWM281110U/en
Publication of TWM281110U publication Critical patent/TWM281110U/en

Links

Landscapes

  • Joints Allowing Movement (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Description

M281110 八、新型說明: 【新型所屬之技術領域】 本創作係關於一種萬向管接頭結構改良, 丹王要是利 用橡膠材質製成的〇型止密環作為套件球型轴部與座件 徑孔槽間之止密構件,藉以可大幅改善套件轉向^二時二 能衍生之磨損滲漏之虞,有效維持其密合止漏效果,同3 不致影響其靈活轉向功能者。 ’ 【先前技術】 按,管接頭乃泛用於一般流體或氣體輸送管路之連接 構件’而為了取得其管路之架設的靈活性與便利性, 管接頭通常會作可任意轉向設計,使其得以依實際使用需 求變換其管路的方向’俾能增進其使用上的靈活運用。 由該等管接頭之結構觀之,請參閱第1、2圖,主要 是設有一接頭(i)、一座件( 厘忏及一套件(3),該 接頭(1)兩端分別設有螺紋段,使其得 ^ 未繪)及座件(2),該座件⑴之n( -球型轴件(〇,球型軸件(4)± 槽内传置設 鐵氟龍材質製成的止密了位置分別藉- 徑孔槽内壁取得密」: 而與座件(2)内 ……關係’同時該球型轴件(4 )乃與套 件(3 )插組結合成一 接頭以組接軟管(未哈、件(3)一端另形成快插式 用該球型軸件(4)的〗,依此構成習知管接頭結構,利 4)及套件()=型態設計,特㈣予其㈣抽件( 軸件(4)上、下=任意轉向變換之效能,並利用球型 之鐵氟龍止密環(5) (6)維持 M281110 其轉向時之止密效果,避免内部流體或氣體發生滲漏現 者。 惟,此種管接頭在使用初期,雖確實可達靈活轉向及 密合止漏效能,但因其止密環及球型軸件均為硬性材質製 成,是以在其球型轴件之轉向旋動的反覆磨擦作用下,該 球型轴件及止密環的接觸部位很容易產生磨損而產生餘: ’導致其喪失密合止漏效果而可能發生内部流體或氣體參 漏問題,嚴重影響其實用性,自有待設法加以解決改善: 【新型内容】 有鑑於現有管接頭在其密合止漏設計上所存在的問題 與缺失,創作人特著手 予進仃研究改良’基於其從事相關行 :之夕:經驗與技術’…創出本創作之萬向管接頭結 r其2主要目的乃在於經由結構之組成設計,使其仔取M281110 8. Description of the new type: [Technical field to which the new type belongs] This creation is about the improvement of the structure of a universal joint. If Danwang uses a type O seal ring made of rubber material as the kit ball shaft and the seat diameter hole The seal-tight components between the grooves can greatly improve the risk of abrasion and leakage that can be derived from the package turning ^ 2, which effectively maintains its tight leak-proof effect, and does not affect its flexible steering function. '[Previous technology] According to the press, pipe joints are generally used as connection members for general fluid or gas pipelines.' In order to obtain the flexibility and convenience of piping, pipe joints are usually designed to be arbitrarily steerable, so that It is able to change the direction of its pipeline according to the actual use needs, which can increase its flexible use. From the perspective of the structure of these pipe joints, please refer to Figures 1 and 2, which are mainly provided with a joint (i), a piece (centimeter and a kit (3), and the ends of the joint (1) are provided with threads respectively. Section to make it ^ not shown) and the seat member (2), which is made of n (-spherical shaft member (〇, spherical shaft member (4) ± Teflon material is placed in the slot.) The closed position is obtained by-the inner wall of the diameter hole groove, respectively. ": And the seat member (2) ... the relationship 'while the ball shaft (4) is combined with the kit (3) to form a joint to group The connecting hose (without one end of the piece (3) also forms the ball shaft piece (4) of the quick-plug type, according to this, the conventional pipe joint structure is constructed, and 4) and the kit () = type design, Specially give its pumping parts (shaft (4) up and down = the performance of arbitrary steering transformation, and use the spherical Teflon sealing ring (5) (6) to maintain the M281110's sealing effect when turning, To avoid leakage of internal fluid or gas. However, in the early stage of use, although this type of pipe joint can indeed achieve flexible steering and tight leak-proof performance, but its seal ring and ball shaft are rigid materials It is made by the repeated friction of the turning rotation of the ball-shaped shaft, and the contact part of the ball-shaped shaft and the sealing ring is easy to wear and produce surplus: 'Cause it loses the tight sealing effect The leakage of internal fluid or gas may occur, which seriously affects its practicability, and it has to be resolved by itself. [New content] In view of the problems and shortcomings of the existing pipe joints in their tight leak-proof design, the creator Special work Yu Jin's research and improvement 'based on his related activities: the evening: experience and technology' ... to create the universal joint joint of this creation. The main purpose is to design the structure to make it accessible.

4于其套件球型軸部之#咅M b 釉卩之任意轉向效能外,更能有效維持球型 閥邛與座件間之密合 漏關係,避免發生内部流體或氣體 /夢漏之問題者。 本創作之另一 在套件球型軸部與 密環設置即可輕易 發生磨損甚漏之虞 目的係在於經由結構之組成設計,使其 座件之秘合關係取得上,只需以單一止 為達成前揭目的, 接頭、一座件與一活動 座件内徑孔槽乃設有一 取得,並藉其止密環的材質特性而不易 ’以延長其使用壽命者。 本創作於結構設計上,主要是由一 套件套組而成管接頭結構,其中該 尺捏略小於套件球型軸部之通孔, M281110 並在座件内徑孔槽近通孔處之内壁製設_環槽以嵌組一橡 膠製之〇型止密環’俾供套件穿套通過内徑孔槽時,該套 件之球型軸部將無法通過通孔並與該0型止密環取得緊密 觸抵關係’俾可大幅改善套件轉向撓轉時可能衍生之磨損 滲漏之虞,有效維持其密合止漏效果,同時不致影響其靈 活轉向功能者。 【實施方式】 -有關於本創作之結構組成、技術手段及功效達成方面 ’謹配合圖式再予舉例進一步具體說明於后: 請參閱第3圖之結構示意圖、第4圖之結構分解示意 圖、第5圖之結構關係示意圖及第6圖之結構動作關係示 意圖,如圖所示,係為本創作萬向管接頭之一較佳實施例 ,其結構設計上,主要是由一接頭(丄〇 )、一座件(2 0 )與一套件(3 〇 )組成本創作萬向管接頭的基本功能 架構,其中: 該接頭(10),其中段設為一六角螺帽段(11) ,而兩端則為螺紋段(1 2 ) ( 1 3 ),其一端螺紋段( 1 2 )得與設備之管件(未繪)鎖接,而另端螺紋段(工 3 )則供鎖接座件(2 0 ),並在該螺紋段(1 3 )内端 嵌設有一橡膠材質製成的〇型止密環(14),俾取得接 頭(1 0 )與座件(2 0 )鎖接關係之密止狀態; 該座件(2 0 ),乃設有一契合接頭(1 〇 )螺紋段 (1 3 )尺徑之内徑孔槽(2 1 ),該内徑孔槽(2 1 ) 内壁設有螺紋以鎖接接頭(1 〇 ),而内徑孔槽(2 1 ) 7 M281110 底部乃貫設有一通孔(2 2 ),蕤以脓太 )精以將套件(3 0 )套入 座件(2 0 )之内徑孔槽(ρ Ί )赖 ^ 飞 、」1 )後,使套件(3 〇 )之 快插接頭(3 2 )得以經由該通孔(2 9 穿出,該通孔 (2 2 )的外側孔緣乃設為斜錐擴徑 爾仅狀,俾可賦予套件( 3 0 )轉向旋動之活動空間裕度, 、 份!为在内徑孔槽(2 1 ) 近通孔(22)處之内壁製設有一環槽(23),俾供嵌 組一橡膠材質製成之〇型止密環(2 4) · 該套件(3 0 ),其一诚母古沐相丨4 共鳊认有球型軸部(3 1 ),而 另端則鼓為連結皆路之快插接頭(? 0 ,,, 一 较貝L d 2 ),該球型軸部( d 1)的尺徑乃略大於前述座件( 压1干、ζ υ )内徑孔槽(2 1 )的通孔(2 2 ),使該套侔f q η、 、一 便该娶件(3 ◦)之快插接頭(3 2 )穿插通過座件(20)時,該球型轴部(Η)並無法 通過该通1 ( 2 2 )而被止擋限位於内徑孔槽(2 "内 ’並使該球型軸部(3 1 )中段與座#( 2 0 )内徑孔槽 〜取得觸抵密止關 係; 據此,經由上揭構件在本創作管接頭之組配上,係使 套件(3 0 )由座件(2 〇 )之内徑孔槽(2工)套入, 並使套件(3〇)之快插接頭(32)穿出通孔(22) 後,再將接頭(1〇)鎖結於座件(2〇),利用該接頭 (1 0 )與座件(2 〇 )的鎖結關係,乃得將套件(3 〇 )之球型軸部(3 1 )限位在座彳(2 0 )的内徑孔槽( )近通孔(2 2)處,並保持球型軸部(3 1 )與座 件(20)内徑孔槽(21)内壁嵌設的〇型止密環(2 8 M2811104 In addition to the random turning performance of # 咅 M b glaze 其 in the ball shaft of its kit, it can more effectively maintain the tight leakage relationship between the ball valve 邛 and the seat, and avoid the problem of internal fluid or gas / dream leakage By. Another purpose of this creation is to easily wear and tear if the ball shaft and the dense ring are installed in the kit. The purpose is to achieve the secret relationship between the seat parts through the structural design of the structure. To achieve the purpose of pre-disclosure, the inner diameter hole groove of the joint, a piece and a movable seat piece is provided with one, and it is not easy to extend its service life due to the material characteristics of its seal ring. The original design of the structure is a pipe joint structure composed of a set of sets, in which the ruler is slightly smaller than the through hole of the spherical shaft of the set, M281110 and is made on the inner wall of the inner diameter hole groove of the seat member near the through hole. Set _ ring groove to insert a rubber type O-shaped seal ring '俾 for the sleeve of the kit to pass through the inner diameter hole groove, the ball shaft of the kit will not pass through the hole and get with the 0-type seal ring The close relationship '俾 can greatly improve the risk of wear and leakage that may be caused when the package turns and twists, effectively maintaining its tight leak-proof effect without affecting its flexible steering function. [Embodiment]-Regarding the structural composition, technical means and effects of the achievement of this creation, I would like to further illustrate it in detail with the drawings: Please refer to the schematic diagram of the structure in FIG. 3, the exploded schematic diagram of the structure in FIG. 4, The structural relationship diagram in Figure 5 and the structural movement relationship diagram in Figure 6 are as shown in the figure, which is a preferred embodiment of the creative universal joint. The structural design is mainly composed of a joint (丄 〇 ), A piece (20) and a kit (30) constitute the basic functional framework of the universal joint of this creation, where: the joint (10), the middle section of which is a hexagonal nut section (11), and The two ends are threaded sections (1 2) (1 3). One end of the threaded section (1 2) can be locked with the pipe fitting (not shown) of the equipment, and the other end of the threaded section (work 3) is used for the locking seat. (20), and an inner end of the threaded section (13) is embedded with an O-shaped seal ring (14) made of rubber material to obtain a locking relationship between the joint (1 0) and the seat member (20). The sealed state; the seat member (20) is provided with a fitting section (10) thread section (1 3) Diameter slot (2 1), the inner diameter slot (2 1) is provided with a thread on the inner wall to lock the joint (10), and the inner diameter slot (2 1) 7 M281110 is provided with a through hole (2) at the bottom. 2), then use the pus too) to insert the kit (3 0) into the inner diameter hole (ρ Ί) of the seat member (20), and then push the kit (30). The joint (3 2) can pass through the through hole (2 9. The outer hole edge of the through hole (2 2) is set as an oblique cone with an enlarged diameter, which can give the kit (3 0) a turning rotation. Activity space margin, , parts! For the inner wall of the inner diameter hole groove (2 1) near the through hole (22), a ring groove (23) is provided, which is a type 0 seal made of a rubber material for the inlay group. The ring (2 4) · The kit (30), one of its mothers and mothers, has a spherical shaft (3 1), and the other end is a quick-connect connector (?) 0 ,,, and 1 lb L d 2), the diameter of the spherical shaft portion (d 1) is slightly larger than the through hole (2 1) of the inner diameter hole groove (2 1) of the aforementioned seat member (pressed 1 dry, ζ υ) 2 2), so that the sleeve 侔 fq η,, and the quick-connect connector (3 2) of the marriage piece (3 ◦) are inserted through the seat (20), the spherical shaft portion (Η) cannot pass through the through hole 1 (2 2) and is limited to the inner diameter hole (2 " inner '), and the spherical shaft portion (3 1) The middle section and the seat # (2 0) inner diameter holes and grooves have achieved a close contact relationship; according to this, the assembly of the creative pipe joint through the lifted component is such that the kit (3 0) is composed of the seat member (2 〇 ) Into the inner diameter hole groove (2 workers), and make the quick plug connector (32) of the kit (30) pass through the through hole (22), and then lock the connector (10) to the seat member (2 〇), using the joint (1 0) and the seat (20) locking relationship, it is necessary to limit the ball-shaped shaft (3 1) of the kit (30) to the inner diameter of the seat (2 0) The hole groove () is near the through hole (2 2), and the ball type shaft portion (3 1) and the seat member (20) inner diameter hole groove (21) are fitted with an O-shaped seal ring (2 8 M281110)

4 )之緊密觸抵關係,而接頭(丄〇 )與座件(2 〇 )間 亦藉其0型止密環(1 4 ) I得止密關係,藉以取得各構 件之止密關係,可有效避免内部流體或氣體甚漏之虞,同 時該套件(3 〇 )仍得藉其球型軸部(3 1 )冑予其靈活 的轉向^換效能,i因其0型止密環(24)為橡膠材質 製成’是以可有效改善球型轴部(3丄)&動時所可能造 成的磨損現象,從而可確保套件(3 0 )與座4 ( 2 0 ) 的密合止漏關係,使其在達成管接頭之任意轉向功能外, 更有有效防止滲漏問題,有效解決習知結構所存在的諸多 問題與缺失’誠具有極佳之產業利用價值者; 經由以上說明,可知本創作之萬向管揭頭結構, 利用該Ο型止密J景f Q /、 …與套件(3 橡膠材嶋,配合座件( ?求型軸部(3 1 )的組配關係,特 由、I止密環(2 4 )與球型軸部(3 1 )尺徑最大 =間部位處取得觸抵密止關係,使其 :即可達成座件(2〇)與套件(3〇)間的= 漏功此,並不會影而盆么防 昇效能之優異功效V變換功能,達簡化構造提 綜上所述,本創作 叁Α ΛΑ 之萬向管接頭結構改良,在读占i 套件的任意轉向變換的功 在達成其 ,使其得以單—… 更經由其結構之改良設計 雄J衣達成止密防漏效能,且 可能衍生之止密環磨損問 /有效改善 漏之餘,整體而言,確…保内部流體或氣體無滲 誠不失為一優異、突出:/之產業利用價值與實用性, 、 彳新設計,袭依法提出專利申請 9 M281110 [ 圖 式簡單說明 >.. 第 1 圖: :係習知 第 2 圖 係習知 第 3 圖 係本創 第 4 圖 係本創 第 5 圖 係本創 第 6 圖 係本創 [ 主 要元件符號4), and the joint (丄 〇) and the seat member (20) also have a close-tight relationship by means of its 0-type seal ring (1 4) I, so as to obtain the close-tight relationship of each component, Effectively avoid the risk of internal fluid or gas leakage, while the kit (30) still has to use its spherical shaft (3 1) to give its flexible steering performance, i because of its 0-type seal ring (24 ) Made of rubber material is to effectively improve the wear caused by the ball shaft (3 丄) and the movement, so as to ensure that the kit (3 0) and the seat 4 (20) are tightly sealed. Leakage relationship, in addition to achieving the arbitrary turning function of the pipe joint, it is more effective in preventing leakage and effectively solving many problems and shortcomings in the conventional structure. 'I have excellent industrial use value; As explained above, It can be seen that the headless structure of the universal tube in this creation uses the O-shaped close-tight Jscape f Q /,… and the assembly relationship between the kit (3 rubber material 配合 and the seat member (? To find the shape of the shaft portion (3 1), Specially, the I-tight ring (2 4) and the spherical shaft (3 1) have the largest diameter = space between them to achieve a close-tight relationship, so that: Achieving the value between the seat piece (20) and the kit (30) = leakage of work. This will not affect the excellent performance of the anti-lifting performance. V-transformation function, to achieve a simplified structure. The structure of the universal joint of ΛΑ has been improved, and the power of any steering transformation in reading the i-set is achieved, which makes it possible to ...-through the improved design of its structure, the male J-clothing achieves leak-proof and leak-proof performance, and may be derived In addition to the leakage of the seal ring, the leakage can be effectively improved. On the whole, it is ensured that the internal fluid or gas is free of leakage. It is an outstanding and outstanding: the industrial use value and practicability of /, new design, and patents based on law. Application 9 M281110 [Schematic description> .. 1st picture:: Department of learning 2nd Department of learning 3rd Department of creation 4th department of creation 5th department of creation 5th department of creation 6th department of creation [Major component symbols

] 管接頭之結構 管接頭之結構 作較佳實施例 作較佳實施例 作較佳實施例 作較佳實施例 說明】 分 解 示 意 圖 〇 關 係 示 意 圖 〇 之 結 構 示 意 圖 〇 之 結 構分解 示 意 之 結 構 關 係 示 意 之 結 構 作 關 係 圖。 圖。 示意圖。] The structure of the pipe joint The structure of the pipe joint is a preferred embodiment, a preferred embodiment is a preferred embodiment, and a preferred embodiment is explained.] Decomposition diagram 〇 Relationship diagram 〇 Structure diagram 〇 Structure decomposition diagram Schematic structure diagram Structure diagram. Illustration. schematic diagram.

(1 )接頭 (3 )套件 (5 ) ( 6 )止密環 (11)六角螺帽段 (1 4 )止密環 (2 1 )内徑孔槽 (2 3 )環槽 (3 〇 )套件 (3 2 )快插接頭 (2 )座件 (4 )球型軸件 (1 〇 )接頭 (12)(13) (2 0 )座件 (2 2 )通孔 (2 4 )止密環 (3 1 )球型轴部 螺紋段 10(1) Connector (3) Kit (5) (6) Sealing ring (11) Hex nut section (1 4) Sealing ring (2 1) Inner diameter hole groove (2 3) Ring groove (30) Kit (3 2) Quick-connect joint (2) Seat member (4) Ball shaft member (10) Joint (12) (13) (2 0) Seat member (2 2) Through hole (2 4) Sealing ring ( 3 1) Ball shaft thread section 10

Claims (1)

M281110 九、申請專利範園: 1、一種萬向管接頭結構改良,主要是由一接頭、一 座件與一套件組成萬向管接頭的基本功能架構,該接頭兩 端分別設有螺紋段,使其得分別鎖接管件及座件,該座件 則設一内徑孔槽及一通孔,而該套件一端乃設為球型轴部 ,而套件另端則設為快插接頭以接組管路,該套件乃由座 件之内徑孔槽套入,並使其快插接頭由通孔穿出,但套徑 之球型軸件因尺徑略大於座件通孔,是以將被限位於座件 的#孔槽内,並與座#内灰 内壁嵌設的0型止密環取 仵觸抵止密關係;其特徵係在於: 該座件内徑孔槽内壁所嵌設的0型止密 位置乃恰相對於套# 、置的 其僅需以單一 轴部尺徑最大的中段部位,俾使 的密合止漏效果者。“即可取得座件與套件球型軸部間 2依據申請專利範圍第1項 改良,其中嗲成斤 4之萬向管接頭結構 I· - η、 内徑孔槽内壁與套件球型軸邛中斷魍把 止密之〇型止瘀芦 " 土神口Ρ中斷觸抵 止在娘,係採橡膠材質製成者。 11M281110 Nine, patent application Fanyuan: 1. An improved universal joint structure, which is mainly composed of a joint, a piece and a kit to form the basic functional structure of the universal joint, the ends of the joint are provided with thread sections, so that It is necessary to lock the pipe and the seat respectively, the seat is provided with an inner diameter hole and a through hole, and one end of the kit is set as a ball shaft, and the other end of the kit is set as a quick-plug joint to connect the pipe. The kit is inserted into the inner diameter hole of the seat, and the quick-connect joint is penetrated by the through hole. However, the ball shaft of the sleeve diameter is slightly larger than the through hole of the seat. It is located in the #hole groove of the seat member, and it is in close contact with the 0-type seal ring embedded in the inner gray inner wall of the seat member. Its characteristics are as follows: The 0-type sealing position is exactly the same as the sleeve #, and it is only required to use a single shaft portion with the largest mid-diameter portion to make a tight sealing effect. "You can obtain the improvement between the seat member and the kit ball shaft 2 according to the first scope of the patent application, in which the universal joint structure I ·-η of 4 kg, the inner wall of the inner hole and the kit ball shaft 邛Discontinued to stop Zhimizhi type 0 stasis reed " Tushenkou P interrupted the contact to the mother, is made of rubber material. 11
TW94212303U 2005-07-20 2005-07-20 Improved structure of multi-directional pipe joint TWM281110U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94212303U TWM281110U (en) 2005-07-20 2005-07-20 Improved structure of multi-directional pipe joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94212303U TWM281110U (en) 2005-07-20 2005-07-20 Improved structure of multi-directional pipe joint

Publications (1)

Publication Number Publication Date
TWM281110U true TWM281110U (en) 2005-11-21

Family

ID=37154254

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94212303U TWM281110U (en) 2005-07-20 2005-07-20 Improved structure of multi-directional pipe joint

Country Status (1)

Country Link
TW (1) TWM281110U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI456115B (en) * 2012-03-06 2014-10-11 Beto Engineering & Marketing Inflator with universal turning nozzle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI456115B (en) * 2012-03-06 2014-10-11 Beto Engineering & Marketing Inflator with universal turning nozzle

Similar Documents

Publication Publication Date Title
WO2016167100A1 (en) Gasket for fluid coupling and fluid coupling
RU2009147071A (en) THREADED CONNECTION WITH SELF-SEALING SEAL
CN207064659U (en) A kind of three eccentricity hard seal butterfly valve
JP5430160B2 (en) Joint for connecting pipes and tubes.
CN105972361B (en) A kind of liquid high-voltage quick joint
US9086176B2 (en) Valve structure
TWM281110U (en) Improved structure of multi-directional pipe joint
KR20120104323A (en) Improved high vaccum ball valve
CN105972364A (en) T-tube connector capable of being rotated by 360 degrees and equipped with ball valve
JP4020407B1 (en) Connection structure for pipe joints and pipe members
US3627355A (en) Fluidtight swivel joint
TWM362332U (en) Universal rotation joint
JP4825008B2 (en) Ball joint
CN209688307U (en) Garden hose connector
KR101040230B1 (en) Conneting device for pipe
CN210770517U (en) Split type tap for bathroom
KR20110000707U (en) Water pipeline joint structure of water pipeline connecting members
CN205781015U (en) Floating ball valve is welded in a kind of worm-drive heat supply entirely
CN203322363U (en) Ball valve
CN204961826U (en) Sealed dual fail -safe disk seat lip circle
TWM596297U (en) Angle-adjustable water outflow joint structure
CN207715766U (en) Chemical industry guillotine
CN213839701U (en) Combined valve
CN220581947U (en) High-tightness quick connector
CN106989239B (en) Sealing structure

Legal Events

Date Code Title Description
MC4K Revocation of granted utility model